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Lesson Worksheet: How Light Travels Science

In this worksheet, we will practice using an investigation to describe how light travels in straight lines.

Q1:

Which picture shows the direction that light travels in?

  • A
  • B
  • C

Q2:

A class is talking about light.

Who is correct?

  • ANoah
  • BLiam
  • CCharlotte

Q3:

Jackson sets up the experiment below and he can see the light.

Jackson then moves card B so the hole is slightly higher and he can no longer see the light.

If light could bend or curve, what would Jackson see?

  • ANo light from the flashlight
  • BShadows
  • CLight from the flashlight

Q4:

Anthony sets up the experiment below.

Is Anthony able to see the light?

  • AYes
  • BNo

Anthony then moves card B so the hole is slightly higher.

Is Anthony able to see the light?

  • ANo
  • BYes

Q5:

Liam sets up the experiment below and he can see the light.

Liam then moves card B so the hole is slightly higher and he can no longer see the light.

What does this prove about light?

  • AIt travels in straight lines.
  • BIt bends around corners.
  • CIt curves around objects.

Q6:

Which picture shows the way light travels?

  • A
  • B
  • C

Q7:

Ethan sets up the experiment below.

Why is Ethan able to see the light?

  • ABecause the card is opaque
  • BBecause the three holes line up
  • CBecause the three holes do not line up

Ethan then moves card B so the hole is slightly higher.

Why is Ethan unable to see the light?

  • ABecause the three holes line up
  • BBecause the card is translucent
  • CBecause the three holes do not line up

Q8:

Michael wants to show that light travels in straight lines. He sets up the experiment below.

Which type of card should be used for the experiment?

  • AAn opaque card
  • BA transparent card
  • CA translucent card

Q9:

Noah is doing an experiment to show the path of light. Pick the correctly ordered steps.

  • A
  • B
  • C

Q10:

Jacob wants to show that light travels in straight lines. He sets up the experiment below.

What must he do next to prove that light travels in straight lines?

  • A
  • B
  • C

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