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1. Which of the following DOES NOT show transfer of heat?
A. boiling water in a kettle
B. cutting paper in small pieces
C. placing a spoon in a cup of hot coffee
D. lighting a room with a fluorescent lamp
2. The following are uses of heat energy EXCEPT
A. Heat energy is used for cooking.
B. Heat energy is used for communication.
C. Heat energy is used to generate electricity.
D. Heat energy is used to warm the surroundings.
3. Which of the following energy is produced when a rise in temperature causes
atoms and molecules to move faster and collide with each other?
A. electrical energy
C. mechanical energy
B. heat energy
D. sound energy
4. How does heat travel in liquids and gases?
A. through conduction
B. through convection
C. through evaporation
D. through radiation
5. Why is it highly advisable to use wooden utensil in cooking?
A. Heat is produced easily in a wooden handle.
B. Heat can transfer easily in a wooden handle.
C. Heat cannot transfer easily in a wooden handle.
D. Wooden handle is a good conductor for heat transfer.​