Question 1

What is the unit of energy and work?

Accepted Answer

Joules (J)

Answer

Newtons (N)

Answer

Meters per second squared (m/s2)

Answer

Watts (W)

Question 2

What does potential energy depend on?

Accepted Answer

Height and gravity

Answer

Speed

Answer

Accleration

Answer

Energy

Question 3

What does kinetic energy depend on?

Accepted Answer

Speed

Answer

gravity

Answer

accleration

Answer

weight

Question 4

An LED light uses 150 J of energy in 3 seconds, what is the power?

Accepted Answer

50 Watts

Answer

30 Watts

Answer

50 Joules

Answer

450 Watts

Question 5

A girl pulls a suitcase 50 m with a force of 10 N. How much work does she do?

Accepted Answer

500 J

Answer

5 J

Answer

50 J

Answer

60 J

Question 6

Temperature is the measurement of

Accepted Answer

particles kinetic energy

Answer

heat

Answer

how hot or cold

Answer

particles potential energy

Question 7

Warming your hands over a fire uses what type of heat transfer?

Accepted Answer

Convection

Answer

Radiation

Answer

Conduction

Question 8

What is the measurement of the distance between identical points on a wave?

Accepted Answer

Wavelength

Answer

Energy

Answer

Amplitude

Answer

Frequency

Question 9

What type of interference is happening in the image?

Accepted Answer

Diffraction

Answer

Amplification

Answer

Reflection

Answer

Refraction

Question 10

Which wave has the highest frequency?

Accepted Answer

Purple Wave (Bottom Wave)

Answer

Yellow Wave (2nd Wave from the top)

Answer

Blue Wave (4th Wave from the top)

Answer

Red Wave (Top Wave)

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