6th grade energy
6th grade (Year 7 in England) · 16 questions · Common Core: NGSS.MS-PS3-1, NGSS.MS-PS3-2, NGSS.MS-PS3-5, NGSS.4-PS3-4 · England: KS3 Physics: Energy, GCSE Combined Science: Energy
Name
Date
Score/ 16
Question 1
Energy transfers: which statement is true?
- A. Machines can give out more energy than they take in.
- B. The total energy before and after a transfer is the same.
- C. Wasted energy is destroyed.
- D. An LED lamp transfers all its energy to light.
Question 2
Every second, an electric fan is supplied with 1200 J of energy. 240 J is transferred usefully (movement of the blades). How much energy is wasted each second, in J?
AnswerJ
Question 3
A trampoline is pressed down as a gymnast lands. Which store fills up?
- A. chemical
- B. thermal only
- C. elastic potential
- D. nuclear
Question 4
Some electric cars use regenerative braking. What does this do?
- A. stops the car using air only
- B. creates new energy from nothing
- C. transfers kinetic energy back into the battery's chemical store
- D. makes the brakes hotter
Question 5
Which energy store is the main one here: wood for a campfire?
- A. gravitational potential store
- B. chemical store
- C. nuclear store
- D. kinetic store
Question 6
Energy stores: which statement is NOT true?
- A. Energy is measured in joules (J).
- B. A faster object has more energy in its kinetic store.
- C. Energy cannot be created or destroyed, only transferred between stores.
- D. A stationary book on a high shelf has no energy.
Question 7
Energy transfers: which statement is true?
- A. Wasted energy is destroyed.
- B. An LED lamp transfers all its energy to light.
- C. Machines can give out more energy than they take in.
- D. A Sankey diagram shows useful and wasted energy.
Question 8
Every second, a drill is supplied with 200 J of energy. 80 J is transferred usefully (turning the drill bit). How much energy is wasted each second, in J?
AnswerJ
Question 9
A trampoline is pressed down as a gymnast lands. Which store fills up?
- A. nuclear
- B. thermal only
- C. elastic potential
- D. chemical
Question 10
Some electric cars use regenerative braking. What does this do?
- A. creates new energy from nothing
- B. makes the brakes hotter
- C. transfers kinetic energy back into the battery's chemical store
- D. stops the car using air only
Question 11
Which energy store is the main one here: a phone battery?
- A. thermal store
- B. nuclear store
- C. chemical store
- D. elastic potential store
Question 12
Energy stores: which statement is NOT true?
- A. Energy cannot be created or destroyed, only transferred between stores.
- B. Food contains energy in a chemical store.
- C. Energy is measured in joules (J).
- D. A stationary book on a high shelf has no energy.
Question 13
Energy transfers: which statement is true?
- A. Wasted energy is destroyed.
- B. The total energy before and after a transfer is the same.
- C. Machines can give out more energy than they take in.
- D. An LED lamp transfers all its energy to light.
Question 14
Every second, a phone speaker is supplied with 2000 J of energy. 800 J is transferred usefully (sound). How much energy is wasted each second, in J?
AnswerJ
Question 15
An electric car's battery runs down as it drives up a hill. Which stores gain energy?
- A. the car's nuclear store
- B. only the battery's chemical store
- C. no store gains energy
- D. the car's gravitational potential store and the thermal store of the surroundings
Question 16
Some electric cars use regenerative braking. What does this do?
- A. transfers kinetic energy back into the battery's chemical store
- B. creates new energy from nothing
- C. makes the brakes hotter
- D. stops the car using air only
All done? Color in the animal! · Free from eurekami.com/math