30 results


I boiled eggs in organce and apple juice to see if the eggs would boil. The eggs boiled. I didn't think the eggs would boil because of the acidity in the orange and apple juice. I got B- on my sciene project. My science teacher wants for me to improve my Hypothesis, No Problem...


Orangnisms act like?


how can solar power work at night


how do u research speeches on the internet {worldbiomes}.


How do living things get rid of cellular waste?

sciene 8 grade

what is the connection between wavelength and light frequency?


Is meiosis actually mitosis happening twice? Why might some people say this?

sciene taking the G.E.D.

I study my science for The test but I am only score 39 what can I do to bring up my pooint I fell it twice.


if the compressor in a refrigerator stopped working, how would its failure affect the heat transfer cycle?

physical sciene

Neglecting air resistance, how fast is the object traveling when it strikes the gounnd at the end of 3.8s?


Is Meiosis actually Mitosis happening twice? My answer- Yes because they are both a cell division process.

Life Sciene

How would the cell theory be affected if scientists could make living cells from carbon, oxygen, and other elements found on earth.

physital sciene

How much force is exerted on a sled if the mass of the sled is 65 kg and the acceleration is 4m/s2


A kid applies a force of 70 N to a ball over 1.1 meters. How much work did he do on the ball?

physical sciene

Two 2.2 kg physical science textbooks on a bookshelf are 0.15 m apart. What is the magnitude of the gravitational attraction between the books?

Physical Sciene

A cannon is fired horizontally from a top of a 15-m platform. What is the cannon balls horizontal speed when it hits the ground 250 m downrange?

Sciene ( Chemistry )

The heat of neutralisation of LiOH and HCL at 25 degree celsius is 34.868 kJ/mol.The heat of ionisation of LiOH will be ?


Mercury is 13.6 times more dense than water. If a container can hold 20g of water, how much more massive would an equal volume of mercury be?


Although most salamanders have four legs, the aquatic salamander shown below resembles an eel. It lacks hind limbs and has very tiny forelimbs. Propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural selection.


A 4 meter long ladder weighing 25kg rest with its upper end against a smooth wall and lower end on rough ground. What should be the minimum coefficient of friction between the ground and the ladder for it to be inclined at 60 degree with the horizontal without slipping?


A Compound has 40 g of calcium and 160 g of bromine. What is the mass ratio of calcium to bromine in the compound?


Hello! I am having some trouble with this one question. I know that the Earth's gravitational force pulls the train towards the ground, but I do not know how the other forces act on the train. Any help is super appreciated:) Q: Explain how gravitational, electrical, and ...


which of the following is the best example of transforming electromagnetic energy into thermal energy? A.when trees absorb sunlight for photosynthesis. B.when the interior of a car absorbs sunlight and warms up. C.when a solar panel absorbs sunlight to make electricity (I PICK...


Portfolio: you will design an experiment to investigate the relationship between the number of coil loops and the strength of a solenoid. One you have an experiment plan, carry out your experiment and record data. After finishing conducting experiment, write a conclusion that ...

Sciene Degree

Pressure, P, is directly proportional to temperature,T, and P is 28 lb per square inch when T is 112 degress Kelvin. What is the pressure when the temperature is 124 degrees Kelvin? If required, round answer to three decimal places. _____lbs per square inch.


which of the following insect behaviors is similar to one of the functions of a worker honeybee? 1. a mud-dauber wasp laying an egg in a tubular nest of mud 2. a lightning bug flashing its abdomen to attract a mate 3. a forager ant gathering food to store in the anthill 4. a ...

physical sciene

1) A boy weighs 392 Newtons.What is his mass? 2) A baby weighs 8.0 pounds. What is his mass in slug? 3) An object has a mass of 50 grams. What is its weight in dynes? 4) An object has a mass of 75 grams. What is its weight in newtons?

Computer Sciene-java

Write a loop that will continuously prompt the user for integers to sum, -1 to exit. Sum these values and display the sum to the console. Here is what I have so far, but I feel like I am missing something: public class Sum1 { public static void main (String [] args) { Scanner ...


The question is list ten habitats in the picture and the picture is a running water commujnity and the animals are limpet, bivalve, water louse, caddis fly lava, crayfish, flatworm, shrimp, snail and dragon fly. caddisfly larvae ...


Please help me with my sciene? Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? (1 point) a solar eclipse a lunar eclipse a total lunar eclipse a penumbra 2. Which of the following statements about a lunar eclipse is true? (1...


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