GRADE 7 TERM 3. POTENTIAL AND KINETIC ENERGY.

What is potential energy?

• The energy of an object due to its motion
• The energy of an object due to its position or condition
• The energy of an object due to its temperature
• The energy of an object due to its color

What is kinetic energy?

(a)  

• The energy of motion
• The energy of rest
• The energy of light
• The energy of heat

Give me an example of potential energy?

• Running water
• Wind blowing
• A stretched spring
• Light from a lamp

Give me 2 examples of kinetic energy?

• Potential energy and Thermal energy
• Chemical energy and Electrical energy
• Motion of a car and Wind blowing
• Gravitational energy and Nuclear energy

What does the Law of Conservation of Energy state?

• Energy can be created and destroyed
• Energy can be transferred or transformed, but cannot be created or destroyed
• Energy can be created, but cannot be destroyed
• Energy can be destroyed, but cannot be created

What type of energy does a mountain biker at the top of the mountain use?

• Kinetic Energy
• Potential Energy
• Thermal Energy
• Chemical Energy

What type of energy is used when petrol is being poured in a storage tank?

• Kinetic Energy
• Potential Energy
• Chemical Energy
• Thermal Energy

Which type of energy is used when a race car is travelling at its maximum speed?

• Potential Energy
• Chemical Energy
• Kinetic Energy
• Thermal Energy

Which type of energy is applied when water is flowing down a waterfall before it hits the pond below?

• Kinetic Energy
• Potential Energy
• Thermal Energy
• Chemical Energy

Which type of energy is used by a running refrigerator motor?

• Thermal Energy
• Kinetic Energy
• Electrical Energy
• Potential Energy