Answer:

MARCH 29, 2022

SUMMATIVE TEST # 2

TRUE or FALSE

1. Light travels in a curve line

2. Clear glass is a transparent object.

3. Walls made of cement and wood block light.

4. Wood is opaque object.

5. Translucent object allows all light to pass through.

6. Conduction transfers heat through direct contact.

7. Convection is heat transfer among liquid and some gas.

8. Conduction is heat transfer among solid materials.

9. Radiation is heat transfer through infrared waves.

10. Radiation is heat transfer among gas.

CONDUCTION, CONVECTION, RADIATION

1. HOT POT and EGG

2. OVEN

3. BOILING WATER

4. HOT WATER AND MUG

5. SUN and Earth

TRANSPARENT OBJECT, TRANSLUCENT OBJECT, OPAQUE OBJECT

1. Plastic cover

2. Carton box

3. Hazy Plastic cup

4. Wood

5. Clear glass