Year 8 Science: Energy Test / 25 = %
Name:___________________________
Multiple Choice Questions
Q1. Which of the following list contains only types Q3. Sound energy is a form of what other kind of
of energy in action? energy?
A) Light, sound, nuclear and heat energy A) Kinetic energy
B) Kinetic, light, chemical and electrical B) Chemical energy
energy C) Heat energy
C) Kinetic, light, sound, heat and D) Light energy
electrical energy.
D) Sound, heat, electrical and elastic potential Q4. The following energy chain describes energy
energy transformation and transfer involved in a whistle
blowing on a kettle.
Q2. Look at the image below. The people in the
carts on top of the hill are said to have: Heat Heat sound
Electrical energy energy energy
Energy
in the in the of the
Element water whistle
The missing link is:
A) Kinetic energy of steam
B) Heat energy of water
C) Kinetic energy of water
A) little kinetic energy and a lot of
D) Heat energy of the kettle
potential energy
B) a lot of kinetic energy and little
Q5. Which of the following statements is false?
potential energy
A) Energy makes things happens
C) little kinetic energy and little
B) All objects have energy
potential energy.
C) All energy is stored energy
D) A lot of kinetic energy and a lot of
D) Energy never disappears
potential energy
Q6. Which of the following lists contains only Q9. Which of the following is not considered to
types of stored energy? be potential energy?
A) Chemical, nuclear, elastic potential and A) Gravitational potential energy
heat energy B) Chemical energy
B) Chemical, nuclear, elastic potential and C) Heat energy
gravitational potential energy. D) Elastic potential energy
C) Kinetic, electrical, chemical and nuclear
energy Q10. The law of conservation of energy states
D) Elastic potential, sound, light that:
and chemical energy. A) It is important to conserve energy
B) Energy cannot be made, destroyed or
Q7. If you investigated the gravitational lost
potential energy of a marble being dropped C) Energy be made, destroyed or lost.
into a tube, what factor is likely to be the D) No energy is lost in transformations and
independent variable? transfers
A) The marbles mass
B) The transfer of energy from one form True or False Questions
to another.
Q11. A spring that is stretched has
C) The energy wasted through sound
less potential energy than when it T/F
energy
is not stretched.
D) How fast the marble falls after it is
Q12. Energy transformation T/F
dropped.
involve the same type of energy
transferred to another object
Q8. A soccer player kicking a ball is an
Q13. Some energy is wasted during T / F
example of energy transfer because:
a conversion and is not useful
A) The ball is transferred to a
different place using energy
B) One type of energy is transferred
to another type of energy.
C) The ball’s stored energy has been
transferred into action.
D) The kinetic energy in the player’s
foot has been transferred to the ball.
/13 marks
Short Answer Questions
Q1. Explain in one (1) to two (2) sentences what energy is? (1 mark)
Q2. (a) Look at the image below. Fill in the three blank boxes choosing from the word bank
below to identify the type of energy stored and used.
Gravitational Potential Energy Kinetic Energy Chemical Energy
Elastic Potential Energy Electrical Energy Light Energy
3.
1.
2.
(b) Describe the energy transformations occurring in the above diagram.
(5 marks)
Q3. When we drive a car we are transforming chemical energy (in the fuel) into kinetic energy.
However this is not the only energy transfer the occurs. Name two forms of wasted energy that
are produced. (1mark)
1.
2.
Q4. Potential Energy can be converted into kinetic energy. Choose 1 of the following potential
energy situations:
Chemical Energy OR Elastic Energy OR Gravitational Potential Energy
For the selected energy source:
(a) Explain what the potential energy source is.
(b) Give and example of a real life scenario.
(c) Describe how the potential energy can be transformed.
(d) Draw an energy chain (refer to multiple choice Q4.) OR draw a labeled diagram to
illustrate the changes (5 Marks)
