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- 1. Multiple Choice
The three types of fossil fuel are natural gas, coal and ...
methane
oil
uranium
wood
- 2. Multiple Choice
What does carbon neutral mean?
It describes fuels that when burned will not increase carbon dioxide in the atmosphere.
It describes fuels that when used will not increase carbon buried in the ground.
It describes fuels that when burned will not emit carbon dioxide.
It describes fuels that when burned will not leave any carbon behind.
- 3. Multiple Choice
What is a fuel?
something that can react to release chemical energy
something that can react to release energy as heat and light
an energy resource that will run out
an energy resource that will never run out
- 4. Multiple Choice
In tidal power what is built across a river estuary?
a bridge
a dam
- 5. Multiple Choice
A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?
200 J
80 J
5 J
2000 J
- 6. Multiple Choice
What is the gravitational potential energy of an 85 kg mountain climber at the summit of a 6267 m volcano?
Let g = 9.8N/kg
5,220,411 J
532,695 J
73.7 J
54,356.6 J
- 7. Multiple Choice
Total energy = 350J
Useful energy = 70J
Workout the efficiency of this iphoneX.
100%
80%
40%
20%
- 8. Multiple ChoiceThe SI unit in which kinetic energy is measured isNewtonKilogramJoulesMetres per second
- 9. Multiple Choice
Energy is transferred from the kinetic store of a singer's vocal cords to the kinetic store of your eardrums by
Work done
Electric current
Heating
Radiation
- 10. Multiple ChoiceThermal energy ALWAYS moves from _____ to _____.solid to liquidice to waterhot to coldsolid to gas
- 11. Multiple ChoiceHeat moves by ______ when it travels from one solid to another solid.radiationconvectionthermal energyconduction
- 12. Multiple ChoiceThe way heat moves in liquids and gases is called _______.convectionradiationconductiontemperature
- 13. Multiple ChoiceWhen holding a cup of ice water, your warm hand becomes cold. How does the heat transfer?From the cold cup to your handFrom the cold cup to the warm airFrom the ice to your handFrom your warm hand to the cold cup.
- 14. Multiple Choice
What is the Equation for Work Done?
Work Done = Force x Distance
Work Done = Force / Distance
Work Done = Distance / Force
- Answer choicesTagsAnswer choicesTags