Worksheet: Why Shadows Change Size

In this worksheet, we will practice on how to explain why shadows change size.

Q1:

At what time during the day are shadows the shortest?

  • A9:00 am
  • B2:00 pm
  • C6:00 pm
  • D12:00 pm

Q2:

Anthony wants to find out what happens to a shadow when you move a flashlight closer to and farther from an object.

What could he use to measure the size of the shadow?

  • AA pencil
  • BA piece of chalk
  • CA flashlight
  • DA meterstick

Q3:

Fill in the blank: When the Sun is high in the sky, shadows are .

  • Alonger
  • Bshorter

Q4:

At which times during the day are shadows the longest?

  • ALate morning and late afternoon
  • BSunrise and sunset
  • CMidmorning and midafternoon
  • DNoon and midnight

Q5:

Fill in the blank: When the Sun is low in the sky, shadows are .

  • Ashorter
  • Blonger

Q6:

Describe the position of the Sun when the shadow is shortest.

  • AThe shadow is shortest when the Sun is directly above an object.
  • BThe shadow is shortest when the Sun is low in the sky.
  • CThe shadow is shortest when the Sun is high in the sky.

Q7:

What happens to a shadow when you move the light source closer to an object?

  • AThe shadow gets smaller.
  • BThe shadow disappears.
  • CThe shadow does not change.
  • DThe shadow gets larger.

Q8:

What happens to a shadow when you move the light source farther away from an object?

  • AThe shadow disappears.
  • BThe shadow gets smaller.
  • CThe shadow does not change.
  • DThe shadow gets larger.

Q9:

As the position of the Sun in the sky changes, the shadow of the tree changes. In the morning, its shadow is long, and it shrinks as it gets closer to midday.

Approximately, what time do you think it is in the picture?

  • A12:00 pm (noon)
  • B00:00 am (midnight)
  • C9:00 am
  • D2:00 pm

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