IMO Practice Test — Energy & Its Forms
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
hard
Energy sources that will run out one day, like coal and oil, are called…
Renewable
Non-renewable
Solar
Endless
Explanation: Limited sources that run out are non-renewable.
Question 2 of 6
hard
A ball at the top of a hill has stored energy because of its…
Smell
Colour
Name
High position
Explanation: A raised ball has stored energy due to its height.
Question 3 of 6
hard
Wind and flowing river water can also make electricity. Their energy first came from the Sun, which causes…
Colours
Earthquakes
Winds and the water cycle
Rocks
Explanation: The Sun drives winds and the water cycle that we tap for power.
Question 4 of 6
hard
In a solar lamp, the energy changes go: sunlight to electricity to…
Sound
Food
Light
Wind
Explanation: A solar lamp turns sunlight into electricity, then into light.
Question 5 of 6
hard
Even the energy in coal first came from the Sun, because coal formed from ancient…
Wind
Rocks
Rain
Plants that used sunlight
Explanation: Coal came from plants that long ago captured the Sun's energy.
Question 6 of 6
medium
A campfire gives out two forms of energy at once. They are…
Colour and smell
Sound and food
Wind and rain
Heat and light
Explanation: A fire gives out both heat and light energy.