LIGHT SCIENCE YEAR 4

Which is a natural source of light?

• Lamp

• star

• bulb

• fan

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NGSS.5-ESS1-1

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What is the aim of the investigation?

• to investigate the movement of light

• to investigate the reflation of light

• to investigate the refraction of light

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NGSS.MS-PS4-2

Which statement is true?

• Light travels at different speeds.

• Light is not an energy.

• Light travels in all materials.

• Light travels in a straight line.

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NGSS.MS-PS4-1

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Which example support the idea of that light travels in straight lines?

• The image shown on the television.

• The search light from the helicopter.

• The sound produced from the radio.

Why is it that when one cardboard (Y) is shifted aside, the eye cannot see the candle flame?

• Cardboards X and Z do not have the same height.

• Y blocked the light from the candle.

• Z is higher than the candle.

Tags

NGSS.MS-PS4-2

Two students look into the flame of the candle using a hose. One is straight and the other is bent. Why can’t the girl see the flame of the candle?

• Because the boy takes all the light.

• Because she has a problem with her eyesight.

• Because light cannot bend around objects.

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NGSS.MS-PS4-2

Kavin used a bent straw to look at the teddy bear. He could not see the bear because ________________.

• light travels in straight lines

• light can travel round the corners

• light can pass through the straw

Tags

NGSS.MS-PS4-2

A lightning is a light source. Why do you see lightning first before hearing the thunder?

• Because sound travels faster than light.

• Because light travels faster than sound.

• Because lightning follows its own path.

This situation shows that

• light travels in a straight line

• light is everywhere

• light penetrates certain objects

• light is produces by the Sun

Tags

NGSS.MS-PS4-2

2. Light from a spot light on a stage i an example of

• light can be refracted

• light can be reflected

• light travels in a straight line

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NGSS.MS-PS4-2