Quarter 3 Science Reviewer Part 2

Why is difficult to move heavy objects on a rough surface?

• Rough surface is slippery.

• There is no friction on a rough surface.

• There is lesser friction on a rough surface.

• There is greater friction on a rough surface.

Why do drivers drive their car slowly during rainy days?

• Drivers drive slowly because the windshield is blurred.

• Drivers drive slowly because they are afraid of the rain.

• Drivers drive slowly because the road is wet so there is less friction.

• Drivers drive slowly because the road is wet so there is more friction.

How do you describe the friction between a surface and an object with

greater surface area?

• equal

• greater

• smaller

• the same

Which of the following shows that electrical energy is changed to light

energy?

• hot iron

• lighted fluorescent bulb

• switching on the radio

• a boy running after drinking water

Which example has chemical energy present in it?

• electric circuit

• light bulb

• medicine

• television

Which device uses chemical energy to produce sound?

• generator

• television

• radio

• microwave oven

Which form of energy is transferred from one object to the other?

• Heat Energy

• Light Energy

• Sound Energy

• Mechanical Energy

Which form of energy does a moving object possess?

• Light Energy

• Sound Energy

• Chemical Energy

• Mechanical Energy

Which energy transformation occurs in a flat iron?

• electrical energy to heat

• mechanical energy to light

• chemical energy to sound energy

• chemical energy to electrical energy

Which of the following gives the correct order of energy transformation in

a burning candle?

• chemical – light – light

• chemical – light – heat

• heat – chemical – light

• heat – light – chemical