Question

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Answer 1

@Warriorz13

Answer 2

You can't copy and paste?

Answer 3

Molecules of two solid substances actually collide with each other to transfer energy in this method of heat transfer.
A) conduction
B) convection
C) insulation
D) radiation

Answer 4

Thank you, this saves me a lot of time.

Answer 5

Conduction

Answer 6

An example of mechanical energy being converted into heat energy is
A) the sun.
B) a generator.
C) a Snickers bar.
D) rubbing your hands together.

Answer 7

So, I like totally wanna say C

Answer 8

D) rubbing your hands together.

Answer 9

The heat transfer depicted in the image is MOST likely
A) circulation.
B) conduction.
C) convection.
D) radiation.


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Answer 10

Convection.

Answer 11

At what point in the swing of the pendulum is the potential energy completely converted into kinetic energy?
A)
B)
C)
D)

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Answer 12

I want to say B

Answer 13

An object that has kinetic energy must be
A) at rest.
B) stopped.
C) in motion.
D) at an elevated position.

Answer 14

C

Answer 15

A solar powered car converts _______________ energy into _________________ energy.
A) light, chemical
B) light, mechanical
C) mechanical, light
D) electrical, mechanical

Answer 16

B

Answer 17

We can classify both the shovel and the garden trowel as compound machines. This is because each garden tool contains two simple machines,
A) a lever and a wedge.
B) a blade and a handle.
C) a lever and a pulley.
D) an inclined plane and a wedge.

Answer 18

A

Answer 19

hich car is accelerating?
A) a car that is unmoving
B) a car that rounds a curve at a constant speed
C) a car that travels in straight line at a constant speed
D) a car that is set to a constant speed of 60 miles per hour

Answer 20

What?

Answer 21

Which car is accelerating?
A) a car that is unmoving
B) a car that rounds a curve at a constant speed
C) a car that travels in straight line at a constant speed
D) a car that is set to a constant speed of 60 miles per hour

Answer 22

Either C or D, not sure, kind of a tricky question.

Answer 23

Okay

Answer 24

Within the alarm clock seen here, energy is transformed. It is time to get up! The alarm clock goes off. What are the energy transformations taking place in your alarm clock?
A) electrical to magnetic to sound
B) electrical to mechanical to sound
C) electrical to mechanical to light
D) chemical to electrical to mechanical

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Answer 25

@Warriorz13

Answer 26

Sorry... going through some stuff right now..

Answer 27

B

Answer 28

Longitudinal waves compress the medium they travel though. One example of a longitudinal wave is a
A) sound wave.
B) ocean wave.
C) infrared wave.
D) ultraviolet wave.