Saturday
February 13, 2016

Homework Help: Science

Branches of Science

Recent Science Questions

Math literacy, Geography, Life science, Agriculture
Which career path can i follow with the subject above
Friday, January 15, 2016 by Tekanyo

science
I really need help, I don't understand the question from my science assignment. If anyone is available that would be great.
Friday, January 15, 2016 by panda kahindo

science
How much energy would be required to raise the temperature of 1.25g of water from 17 to 31 degree celsius.
Friday, January 15, 2016 by panda kahindo

Science help please.....
What happens to the density of the air in the balloon as it is heated? Also, based on this question.... What would be the Independent variable, Depended Variable, controlled Variab
Thursday, January 14, 2016 by Diana

science
which of the following is a constant, or control variable, in this experiment?
Thursday, January 14, 2016 by Brooke

science
Does carbon dioxide or water have a higher boiling point and why?
Thursday, January 14, 2016 by Kelley

Science
Without this system in the body, you would get really sick because toxins and waste would build up? (A) Cardiovascular (B) Excretory (C) Integumentary (D) Muscular I think its A, I really need this answered.
Thursday, January 14, 2016 by I need help

Science
What will happen when the sun is exposed to oxygen
Thursday, January 14, 2016 by TRYSYENS

science
Na+H2o->NaOH+H2
Thursday, January 14, 2016 by Mirale .A.Dayen.

Science
Which of the following determines the type of biome classification that will be made for a particular region? Climate Size Mineral deposits Number of human settlements Think about how the amount of energy changes as you move stepwise from producers to primary consumers to ...
Thursday, January 14, 2016 by Abby

Science
Which of the following can be used to explain why fossils of the same kind of organisms can be found in different regions of the world? Biogeography Adaptation Continental drif Dispersal Which of the following would best explain why a species of wildflower native to ...
Thursday, January 14, 2016 by Abby

Science
Certain seismic waves travel as.. A) electromagnetic and transverse waves. B) visible light and longitudinal waves. C) longitudinal and transverse waves. D) compression and visible light waves. I have no idea I never learned this:(
Thursday, January 14, 2016 by Anon

Science
When the energy of a light wave is transferred to a particle and causes it to vibrate and generate heat, the energy of the light wave is.. A) absorbed B) reflected C) refracted D) transmitted D?
Thursday, January 14, 2016 by Anon

science
When_____forces act on an object, they cause the object to move. A. Balanced B. Unbalanced C. friction D net B?
Thursday, January 14, 2016 by Amber

science
Which direction will the box move in the diagram below? (Its a square in the middle and it has a long arrow pointing to it on the left side which is 5 N and then on the right side theirs a short arrow pointing to it which is 3 N) A. It will move to the left. B. It will move to...
Thursday, January 14, 2016 by Amber

physical science
When will the resultant of the two vectors be at a maximum?
Thursday, January 14, 2016 by maliviwe

Science
Hi if you know about static electricity can you explain how lightning strikes form? Can you think about when lightning occurs to formulate your answer to my question please. Thank you so much!!!
Thursday, January 14, 2016 by Rosey

Physical science and math
2a^2*3a^3*b^0
Thursday, January 14, 2016 by Sindiswa

Physical science and math
2x^2y.4x^4y^3/6x^6y^6
Thursday, January 14, 2016 by Sindiswa

Science HELP
Placental mammals develop _______ A) In an egg laid in water B) A pouch of their mother's body C) Inside the mother's body**** D) Inside an amniotic egg
Thursday, January 14, 2016 by Miranda Lambert

Math literacy,Life science,Geography and Tourism
Im a grade ten learner and ii wud really like to know,uhm which careers will this subjects give me..im confused
Thursday, January 14, 2016 by Makgotso

Science
Two forces of 60N and 80N act simultaneously at a point dertermine their resultant by using tail to head method
Thursday, January 14, 2016 by Machanics (forces)

Maths,Geography,life science
I am a grade 11 learner doing maths,life science,geography . What causes do my subjects fit
Thursday, January 14, 2016 by Ntando

Maths,Geography,life science
Um a grade 11 learner doing maths,life science,geography . What causes do my subjects fit
Thursday, January 14, 2016 by Ntando

science
A 10 ohms, 8 ohms, and 5 ohms resistor connected in series to a Volts source. Find the current in each resistor.
Thursday, January 14, 2016 by Anonymous

Science
Which piece of children's play ground equipment could be used to model and explain the movement of matter in the biosphere? Slide Merry-go-round Swing Seesaw
Thursday, January 14, 2016 by Abby

Science
State how matter moves through the biosphere. State how energy moves through the biosphere. Explain each statement using examples to illustrate your explanation.
Thursday, January 14, 2016 by Abby

Science
What does the term adaption mean? How does adaption explain the patterns of distribution of plant and animal species in the world?
Thursday, January 14, 2016 by Abby

Science
Which of the following can be expected to occur as climate change continues on Earth? Decreased meltimg of sea ice Decreased migration of pests and pathogens Increased freshwater water sources Increased coastal flooding Is it A?
Thursday, January 14, 2016 by Abby

Science
What happens to the density of the air in the balloon as it is heated? Also, based on this question.... What would be the Independent variable, Depended Variable, controlled Variable...
Wednesday, January 13, 2016 by Diana

Science help....
What happens to the density of the air in the balloon as it is heated?
Wednesday, January 13, 2016 by Diana

science help
An astronomer sees two stars in the sky. Both stars are equally far from Earth, but the first star is brighter than the second star. Which of the following is a valid conclusion about the first star? It is larger than the second star. It is smaller than the second star. It is ...
Wednesday, January 13, 2016 by Oscar

science help
When nuclear fusion begins, what can be said about the internal processes within that star? Atoms in the star begin to split. Atoms in the star begin to combine. The star is turned into a nebula. The star is turned into a blue giant. is it b
Wednesday, January 13, 2016 by Oscar

science help
A student did an experiment with two identical plants, Plant 1 and Plant 2. About 10 mL fertilizer was added to Plant 1. About 200 mL of water was added to each plant every day. The height of the plants was recorded over a period of 5 weeks in the table shown below. Week ...
Wednesday, January 13, 2016 by Oscar

science help PLS
Scientists earlier believed that the lowest measurable temperature is the freezing point of ice. However, modern scientists believe that temperatures below the freezing point of ice can also exist. What best accounts for these different opinions? scientists propose ...
Wednesday, January 13, 2016 by Oscar

science help
Two scientists did the same experiment but arrived at different results. The scientists most likely did not have accurate data and information misunderstand each other's interpretations belong to different backgrounds did not have instruments to take accurate measurements ...
Wednesday, January 13, 2016 by Oscar

Life science,geography,business and maths literacy
Am in grade 10 and i dont know what to study for at vasity
Wednesday, January 13, 2016 by Nompumelelo baloyi

SCIENCEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
1. The current atomic model would be revised if (1 point) better microscopes were being used to study its structure. better microscopes are invented in the future. new information about an atom’s structure is discovered. a new element is discovered in the future. 2. ...
Wednesday, January 13, 2016 by CUPCAKE HELP

Science
1. In the western U.S., ranchers aggressively killed wolves because they posed a threat to their cattle. As the wolf population declined, the deer population began increasing. As a result, the surrounding forest ecosystems experienced increasing damage. The large number of ...
Wednesday, January 13, 2016 by Skyler

Science
which of the following is an example of a cyclic behavior that is seasonal? a. running from predators b. searching for water c. hunting at night d. migrating for warmth** I think its d
Wednesday, January 13, 2016 by Alex

Science
can you help me in mater and energy
Wednesday, January 13, 2016 by Mariah

Geography,maths literecy,life-science,agriculture,LO,sepedi and english
Which career can suit me?
Wednesday, January 13, 2016 by Peter

Science
Suppose you have a 50.0g sample of ice at -30.0 C. How many joules of heat energy are needed to heat the ice to 0.0 C? How many joules of heat energy are needed to melt the ice? I do not know how to set either of these up.
Wednesday, January 13, 2016 by Mary

Science
How to balance reaction of solid calcium carbide (CaC2) with excess water to form acetylene gas (C2H2) and solid calcium hydroxide?
Wednesday, January 13, 2016 by Mary

Physical Science
What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N ___________________________________ I said 49N because F = MxA. Am I correct?
Tuesday, January 12, 2016 by Vanessa B

Science
1.What information would a scientist need to discover whether a disorder had a genetic cause, an environmental cause, or a combination of the two? 2.How do mutations affect an organism? Why can some mutations have no effect? 3.Which of these traits or behaviors is most likely ...
Tuesday, January 12, 2016 by Steph

science
What does the statement "the properties of salt are different from the properties of the elements that go into making them" mean?
Tuesday, January 12, 2016 by emy

Science
What information would a scientist need to discover whether a disorder had a genetic cause, an environmental cause, or a combination of the two?
Tuesday, January 12, 2016 by Dora_the_nerd

science
What information would a scientist need to discover whether a disorder had a genetic cause, an environmental cause, or a combination of the two?
Tuesday, January 12, 2016 by Dora_the_nerd

Science
Can someone help me with this, at least help by explaining a bit what is going on? question: What is going on in the diagram? Picture: It's a boat floating on water, but another one on the ocean floor. A. the waves are pointing down to the boat that is on the floor and C. ...
Tuesday, January 12, 2016 by Kitty~

math
Lydia wrote 4.5 pages on her science report in 1 hr.What was her writing rate in pages per minute?
Tuesday, January 12, 2016 by Riley

Science
My granddaughter has to do a project about a product she would create and test we've decided on the safetyof white paper napkins vs dyed ones I don't know where to begin please help
Tuesday, January 12, 2016 by Kay

Child Development
I need help finding a learning experience for science/ sensory activity. The age is 3 years old.
Tuesday, January 12, 2016 by Anonymous

science
An object of mass 0.5kg is rotated in horizontal circle by a string of length 1m,the maximum tension in the string before it breaks is 50N.What is the greatest number of revolution per second of the object?
Tuesday, January 12, 2016 by MAGOA

Science
The hypothesis is tested and found to be correct. Define a problem Observe the problem Hypothesis becomes a theory*** Make a prediction
Monday, January 11, 2016 by Kaai97

Science
This is a critical part of the process that verifies that the predicted outcome is valid. Test the hypothesis*** Make a prediction Hypothesis becomes a theory Observe the problem
Monday, January 11, 2016 by Kaai97

Science
This step includes recording data, taking photos, and coordinating information. Make a hypothesis Make a prediction Observe the problem*** Define a problem
Monday, January 11, 2016 by Kaai97

Science
The science team uses information to suggest the main outcome of the hypothesis. Make a Prediction*** Test the hypothesis Observe the problem Define a problem
Monday, January 11, 2016 by Kaai97

Science
Select the factor that most affects the environment. rain humans*** sunlight oxygen
Monday, January 11, 2016 by Kaai97

Science
Select the factor that most affects the environment. weather*** land oceans research
Monday, January 11, 2016 by Kaai97

Science
Select the factor that most affects the environment. domestication oxygen time*** wind
Monday, January 11, 2016 by Kaai97

Science
How can two tall pea plants produce a small pea plant
Monday, January 11, 2016 by Jackie

Art
Which of the following most influenced the art of tessellation Language Arts Social Studies Science Mathematics••
Monday, January 11, 2016 by Amanda

Science 7
What is an advantage of the zygospores of it is extremely dry or hot?
Monday, January 11, 2016 by Anonymous

Math
1. Write a ratio and a percent for the shaded area. a 4x4 grid with 5 blocks shaded (1 point) one over five, 25% five sixteenths, 31.25% one over four, 20% one over four, 25% 2. Model 32% on a 5 × 5 grid. (1 point) a 5 by 5 grid has 8 cells shaded. a 5 by 5 grid has 6 ...
Monday, January 11, 2016 by Please, HELP

HEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEELPP
Melinda’s science teacher gave her an unknown substance to identify based on its properties. After a few tests, Melinda listed her observations in a chart. reflects light very well warms up in my hand flattens out when hit with a hammer conducts electricity Which kind of...
Monday, January 11, 2016 by CANDY HELP

math help..STEVE
Hi i need help on this Test, near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio as a percent. In ...
Monday, January 11, 2016 by MISTY HUGYBUGY

Ms.Sue, Reed
Hi i need help on this Test, I put a gold star near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio...
Monday, January 11, 2016 by MISTY HUGYBUGY

MATH HELP
Hi i need help on this Test, I put a gold star near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio...
Monday, January 11, 2016 by MISTY HUGYBUGY

Math Check (thanks)
Hi i need help on this Test, I put a gold star near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio...
Monday, January 11, 2016 by MISTY HUGYBUGY

science
When we project a mobile screen in front of a wall , we only see the white light but R unable to see the written matter on it why ? If this question seems to be undigesting , please try this for once n think.
Monday, January 11, 2016 by achintya shantanu

HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Multiple Choice 1. How did the Haitian Revolution impact the history of the United States? (1 point) • It brought the United States into a war with Spain over Cuba. • France no longer had Haiti, so Napoleon was willing to sell Louisiana. • Slave owners in the ...
Monday, January 11, 2016 by Miranda Lambert

SCIENCE
When metro stops at same time we felt a jerk in backward direction but according to inertia we should be feel in farward direction i.e. Acc to me intertia contradict (which not possible) then why we feel jerk in backward direction?????
Monday, January 11, 2016 by NAVEEN

science
a car weighing 15,000 N is on a hydraulic lift platform measuring 10 m squared. What is the area of the smaller piston if a force of 1,100 N is used to lift the car?
Sunday, January 10, 2016 by Anonymous

Science
1. ____ are stored by the body as energy reserves. Lipids Carbohydrates Proteins Nucleic acids C?
Sunday, January 10, 2016 by Please help!

Science
1. ____ are stored by the body as energy reserves. Lipids Carbohydrates Proteins Nucleic acids
Sunday, January 10, 2016 by Please Help Ms. Sue!

Science
If you burn 16.5 ml of ethyl alcohol, C8 H18, that has a density of 0.789g/ml what mass of co2 is produced? I have no idea where to start.
Sunday, January 10, 2016 by Joel

computer science
School wants to record the weight of 80 students when they got admission in school. And at end of every year their weight will be recorded. So that the difference will be forwarded to the nutritionist maintain class health chart. Use 1D arrays to calculate these. • Input ...
Sunday, January 10, 2016 by bbc

computer science
Define 3 one dimensional arrays to obtain Product Names , Quantity and Price and calculate the total by multiplying the quantity with the price
Sunday, January 10, 2016 by bbc

math literacy life science, history,tourism
Can I do medical orthotic and prosthetic while doing math literacy and life science. CAn I QUALlifY?
Sunday, January 10, 2016 by Anonymous

Math And Science for Young Children
The conventional problem-solving strategies usually taught have been: A. act out the problem, make a drawing or diagram, and solve the problem. B. look for a pattern, construct a table, solve the problem, and look back. C. understand the problem, devise a plan, carry out the ...
Saturday, January 9, 2016 by Tonya

math And Science for Young Children
Planning concepts experiences starts with: A. selecting objectives. B. selecting materials. C. assessment. D. evaluation. Is B the correct answer
Saturday, January 9, 2016 by Tonya

math And Science for Young Children
The processes of awareness, exploration, and inquiry, and __________ are encompassed in the learning-cycle for young children.   A. generalization B. utilization C. recognition D. coordination Is B the correct answer
Saturday, January 9, 2016 by Tonya

Math And Science for Young Children
sking the children to construct a graph to show how many beans have sprouted is an example of the process skill of: A. communication. B. predicting. C. inferring. D. classifying. Is D the correct answer
Saturday, January 9, 2016 by Tonya

Math And Science for Young Children
Concepts can be characterized as: A. the building blocks of knowledge. B. thoughts that are incomplete until adulthood. C. ideas that young children do not yet have. D. basic to math but not to science. Is D the correct answer
Saturday, January 9, 2016 by Tonya

Math And Science for Young Children
ll of the following EXCEPT __________ describes the personal learning style. A. visual B. auditory C. work-along D. colorful is D the correct answer
Saturday, January 9, 2016 by Tonya

Math And Science for Young Children
After assessing your students, what question should you ask as you start organizing for teaching? A. What do my students know about this science topic? B. What is the appropriate science content that my students need to know? C. What do my students want to know about this ...
Saturday, January 9, 2016 by Tonya

Math And Science for Young Children
The process skill that is most appropriate for use with older children is:   A. observation. B. predicting. C. measuring. D. classifying. Is C the correct answer
Saturday, January 9, 2016 by Tonya

Math And Science for Young Children
Early childhood encompasses three of the four Piagetian stages. Which one of the stages is NOT reached during early childhood? A. Preoperational B. Concrete operational C. Sensorimotor D. Formal operations IS D the correct answer
Saturday, January 9, 2016 by Tonya

Math And Science for Young Children
__________ is/are NOT a basic lesson plan component. A. Object B. Concept C. Materials D. Goals Is B the correct answer
Saturday, January 9, 2016 by Tonya

Math and Science for young Children
Predictable student responses are likely during:   A. narrow questions. B. open-ended questions. C. initiating activities. D. observational skills. is B the right answer
Saturday, January 9, 2016 by Tonya

science
If the distance stays the same but they time increases what happens to the speed?
Saturday, January 9, 2016 by saad

science
An equation has carbon dioxide and water as its products, what type of reaction has taken place?
Saturday, January 9, 2016 by billy

Science
What is "spatial data" (or "geospatial data")? I am not sure, I think it either all or just A. Which one would you pick? A. Information that is tied to a specific location B. A dataset containing information about cities and populations C. Data that can be ...
Saturday, January 9, 2016 by Zara

Science
Why is the Grand Canyon a natural physical system
Saturday, January 9, 2016 by Chloe

science
How does!@#$%^& come out ?
Saturday, January 9, 2016 by angel Fuentes 634

science
How does!@#$%^& come out ?
Saturday, January 9, 2016 by angel Fuentes 634

science
What is the ionic strength of 0.2M Na2HPO4 in a solution?
Saturday, January 9, 2016 by Prashant

Science
Here Are The Answers I Got a %100 1) The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave to travel? A. B. C. D.**** 2) Which of the following correctly describes a radio wave? A. B.**** C. D. 3) When the energy of a ...
Saturday, January 9, 2016 by I am Here to Help

science
How far should be an undersea object/rock to hear theacho?Speed if sound in water is 1500m/s.
Saturday, January 9, 2016 by shivani

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