Pretest
Directions: Write the letter of the correct answer on the answer sheets provided.
1. It is a form of energy that can be seen by the naked eye and travels faster than sound waves.
A. heat
C. mechanical
B. light
D. sound
2. An egg will be cooked in boiling water because heat transfers in
C. solids
A. gas
B. liquids
D. waves
3. Heat transfers
A. depend on the temperature of the object.
B. from a colder object to a warmer one.
C. from a warmer object to a colder one.
D. if there is electrical energy.
4. Which of the following materials will give heat?
A. burning firewood
C. melted ice
B. guitar string
D. Snow
5. Which of the following prevents sound to travel through empty space or vacuum?
A. gravity
B. heat transfer
C. lack of medium to transmit the vibration
D. sound waves​