1. How does the seismologist use the sound energy in their work?
A Used locate oil and minerals C. Used to find out the weather update
B. Used to monitor pregnancies D. Used to track earthquake and volcanic activity
2. What energy is formed by making vibrations?
A heat energy
B. light energy
C. sound energy D. electrical energy
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 B. heat energy C. mechanical energy D. sound energy
4. How does heat travel in liquids and gases?
A. through conduction
C. through evaporation
B. through convection
D. through radiation
5. Which of the following DOES NOT show transfer of heat?
A. boiling water in a kettle
C. placing a spoon in a cup of hot coffee
B. cutting paper in small pieces
D. lighting a room with a fluorescent lamp
6.The following are uses of heat energy EXCEPT
A. Heat energy is used for cooking. C. Heat energy is used to generate electricity
B. Heat energy is used for communication. D. Heat energy is used to warm the surroundings.
7. 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.
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Answer:
1.D
2.C
3.B
4.A
5.B
6.B
D
7.