Science Quiz on Light and Energy

___________ is a natural source of light?

• Sun

• Electric bulb

• Candle

• Flash light

Which is an example of artificial source of light?

• Electric bulb

• Firefly

• Stars

• Sun

A substance that allows only some of the light to pass through it?

• Translucent

• Opaque

• Transparent

• None of the above

Substances that do not allow any light to pass through them are called?

• Translucent

• Opaque

• Transparent

• None of the above

Which amongst these are transparent objects?

• Window pane

• Thin plastic sheet

• None of the above

• Both (a) and (b)

We are able to see things because of?

• Energy

• Work

• Motion

• Light

Metal, brick, and thick plastics are _________________ objects?

• Opaque

• Transparent

• Translucent

• None of the above

Which of the following is translucent?

• Tracing paper

• Brick

• Book

• Desk

Rubbing your hands together is a form of thermal energy?

• Conduction

• Convection

• Radiation

• None of the above

The sun warming the surface of the lake is which form of thermal energy?

• Conduction

• Convection

• Radiation

• None of the above