In this worksheet, we will practice recognizing the way shadows are formed and identifying how the sizes of shadows can change.

Q1:

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

• Alonger
• Bshorter

Q2:

At what time during the day are shadows the shortest?

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

Q3:

At which times during the day are shadows the longest?

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

Q4:

Noah 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

Q5:

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.

Q6:

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

• Ashorter
• Blonger

Q7:

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

• CThe shadow does not change.

Q8:

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

• CThe shadow does not change.

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

Q10:

The image shows a homemade sundial. Sundials were used in the past as a way of telling time using shadows.

What happened to the length of the shadow between 10:00 and 12:00?

• AThe shadow got longer in length.
• BThe shadow’s length stayed the same.
• CThe shadow got shorter in length.