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Science and Technology
Page 2
Questions (7,168)
A fire truck attaches two fire hoses to a hydrant to fight a fire. Each hose has a
diameter of 20 cm. The underground water pipe
4 answers
asked by
K
562 views
Why do sound engineers use spongy materials on walls?(1 point)
Responses to transmit sound waves more clearly to transmit sound
5 answers
asked anonymously
69 views
Which of the following is typically part of the knowledge base of research and development scientists working on heating devices
6 answers
asked by
I hate science
1,141 views
Three light bulbs are connected in a series, as shown in the diagram.After the circuit is completed, the middle light bulb
1 answer
asked by
shoto
200 views
The vertical drop of a roller coaster is the largest difference in height between any high point and the next low point. The
7 answers
asked by
Joe
1,876 views
Why are lie detector tests not always accurate? (1 point) Responses
A. Test subjects can manipulate the tests by remaining calm
2 answers
asked by
I hate school
170 views
A(n) is created by passing current through a coil of wire wrapped about an iron core.
a permanent magnet b motor c electromagnet
3 answers
asked by
A
259 views
based on the excerpt which of the following statements can be inferred
10 answers
asked by
Todoroki
2,139 views
How can you use the sticky tape activity to find if an object has excess charge that can be transmitted to the computer and ruin
5 answers
asked by
Sarah
1,237 views
what can you use to tie up a spaceship
19 answers
asked by
Anonymous
11,311 views
What is accomplished by a simple pulley?
A.) It changes the distance of the pull needed to lift the object. B.) It changes the
4 answers
asked by
goodog
460 views
How does a reverse osmosis water purification system operate?
-Untreated water is subjected to low pressure, causing it to move
7 answers
asked by
Pleasehelp
824 views
How has the development of organoids helped in treating snakebites?(1 point)
5 answers
asked by
вававооеу
910 views
a hydrauli press has a ram of 30 cm diameter and plunger of 4.5cm diameter. find the the weight lifted by the hydraulic press
7 answers
asked by
sam
9,676 views
Suppose you are an astronaut spacewalking outside your spacecraft to repair a broken part. In fixing the part, you have drifted
4 answers
asked by
Ali
1,961 views
A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C−1). At room temperature
4 answers
asked by
anthony
4,797 views
PLS HELP WITH A
Alternative Energy Sources Quick Check
11 answers
asked by
astral
1,312 views
Does agar float in water?
Yes, low-density agar is used in most studies
4 answers
asked by
Moi
868 views
Why are alloys used to make coins rather than the pure metal?
4 answers
asked by
Lucy
1,112 views
Why must a hole be made in the aluminium lid
4 answers
asked by
Allan
458 views
When “superballs” sprang upon the scene in the 1960’s, kids across the United States were amazed that these hard rubber
4 answers
asked by
Clark
1,049 views
identify three devices that convert electrical energy into light, and give an advantage and disadvantage of each one.
3 answers
asked by
Scout
1,232 views
What is a major drawback of nuclear energy?(1 point)
Responses A. depletes clean water supplies B. creates radioactive waste C.
3 answers
asked by
cunexus child
359 views
How does a maglev train move forward?(1 point)
Responses Magnets in the sides of the tracks constantly repel and attract magnets
5 answers
asked by
the real BARNY THE DINO :)
316 views
An important property of fiber optic is
1 Degradation 2. Refraction 3. Radiation 4. Noise
3 answers
asked by
Usman atiq
118 views
Water towers store water above the level of consumers for times of
heavy use, eliminating the need for high-speed pumps. How high
3 answers
asked by
Mohanad
1,772 views
According to Richard Graham in "SR-71 Revealed: The Inside Story", the Lockheed SR-71 Reconnaissance plane accelerates from a
3 answers
asked by
Anonymous
970 views
A city gets its electricity from a dam where water is stored in a reservoir. How does the water provide the city with its power?
1 answer
asked anonymously
121 views
What would happen if a circuit with 2 cells, 1 bulb and a closed switch had it switch removed
1 answer
asked anonymously
50 views
What is an earth tag washer
1 answer
asked by
Gift
117 views
Which is most likely an example of selective breeding?(1 point)
Responses developing salmon that grow more quickly in order to
1 answer
asked by
BOT
252 views
can anyone help with Unit 5 Sample Work Assignment Chemical Reaction Systems pls (:
5 answers
asked by
david
857 views
A space shuttle 200 miles above the earth is orbiting the. Earth once every 6 hours. how far does the shuttle travel in one
5 answers
asked by
Ali
6,173 views
Drag each item to indicate weather the property must be observed using a tool or does not require a tool to be observed
5 answers
asked by
Kawaii bear
4,042 views
Which statement about materials used as insulators and conductors is correct?
Responses Conductors prevent electricity from
17 answers
asked by
Mama
192 views
How does combustion occur in a gas engine of a car?
2 answers
asked by
ray
173 views
Which purpose does a light bulb serve in a circuit?
load wire switch cell
2 answers
asked by
ray
97 views
The Design World Unit Test
Connections Academy 8th Grade Please only use this to check your answers. 1. Plywood is made by gluing
2 answers
asked by
Pichu0008
166 views
What is the rate of dissolving
In natural science and technology
4 answers
asked by
Charity
70 views
An electromagnet is the most powerful type of magnet there is. It is a magnet with a current running through it that can be
1 answer
asked by
ray
257 views
The United States spends over $20 billion a year on space exploration through NASA. Do you think that this has been worth the
6 answers
asked by
Ash
3,154 views
How did Samuel F.B. Morse use his artistic ingenuity to create more efficient telegraph machine?
1 answer
asked by
Janijah
154 views
What type of simple machine is crossbar?
7 answers
asked by
Zara
110 views
Which data is used to make a sonar map of the ocean floor
7 answers
asked by
St Jude girl
1,560 views
explain the influence of modernization on traditional science and technology
7 answers
asked by
Anonymous
1,882 views
1) Why are dosimeters useful to medical personnel treating a person exposed to acute radiation?
A: They predict the severity of
1 answer
asked by
physics
93 views
Company X tested its light bulbs to see how long they would last. On a production line, 2,500 bulbs were taken and tested. The
30 answers
asked anonymously
211 views
What can be done to improve the efficiency of a ramp?(1 point)
Responses Smooth the surface. Smooth the surface. Insulate the
1 answer
asked by
HELP ME!
178 views
The technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called(1 point)
Re
20 answers
asked by
hfbehf
491 views
A solar energy project is expected to have capital costs of $995,000, average yearly operating costs of $175,000, and a lifetime
1 answer
asked by
J.J Powell
340 views
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