1) Which of the following statements is true about cold air and warm air? a) Cold air occupies more space than warm air b) Cold air occupies less space than warm air c) Cold air and warm air occupy the same amount of space 2) When air is heated, what happens to its volume? a) It decreases b) It stays the same c) It increases 3) Which of the following is an example of cold air? a) The air inside a refrigerator b) The air inside a hot oven c) The air inside a warm room 4) When air is cooled, what happens to its volume? a) It decreases b) It stays the same c) It increases 5) Which of the following is an example of warm air? a) The air inside a freezer b) The air inside a cold room c) The air inside a hot shower 6) What happens to the particles in cold air? a) They move faster b) They move slower c) They stay the same  7) What happens to the particles in warm air? a) They move faster b) They move slower c) They stay the same 8) Which of the following is an example of cold air sinking? a) A hot air balloon rising b) Smoke rising from a chimney c) Cold air flowing down a mountain 9) Which of the following is an example of warm air rising? a) A cold breeze blowing b) A kite flying in the sky c) Warm air flowing from an air conditioner 10) What is the main reason why cold air sinks and warm air rises? a) Cold air is heavier than warm air b) Warm air is heavier than cold air c) Cold air and warm air have the same weight

Understanding Cold Air and Warm Air

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