Grade 1 - Science

Grade 1 Shadows Need Light Worksheet

6 printable versions - Challenge Me - About 8 minutes each

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Shadows Need Light

Grade 1 - Science - Challenge Me

Worksheet 1

  1. Light check: what is needed to see a clear cup in a dark room?

  2. Shadow cause: what makes a shadow of a cardboard shape?

  3. Shadow result: what result fits thin cloth?

  4. Class investigation: which question could a class test with a flashlight and block?

  5. Evidence meaning: what does a shadow show?

  6. Dark-room test: a clear cup is hidden with no light. What must be added so it can be seen?

  7. Shadow setup: which arrangement can make a shadow of the cardboard shape?

  8. Material test: a flashlight shines on thin cloth. Which observation is likely?

  9. Investigation plan: which question is about shadows?

  10. Shadow claim: a block between a flashlight and wall makes a dark shape. What is supported?

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About this worksheet

Shadows are a concrete way for first graders to investigate that objects can be seen only when light is available and that light travels from a source until something blocks it. Children often describe a shadow as a thing that follows them without explaining what causes it. This worksheet asks students to identify the needed parts of a shadow setup: a light source, an object that blocks the light, and a surface where the shadow appears. Questions compare opaque and transparent materials, predict what happens when the light moves, and choose fair observations from a simple investigation. Support pages use direct flashlight examples. Standard and challenge pages ask learners to reason about size or position changes. Encourage children to say the path: light shines, object blocks, shadow appears.

What your child will learn

  • Explain that light is needed to see objects
  • Identify how shadows form
  • Compare shadow size and position
  • Use observations from a light investigation

Worked example

A flashlight shines on a block and the block stops some light. A dark shape appears on the wall behind it.

Common mistake

Thinking a shadow appears without any light source because the room is dark.

Helpful hint

Name the light source, the blocking object, and the surface.

Light and SoundProperties of Materials

Questions parents ask

What is the most common mistake with shadows need light?
Thinking a shadow appears without any light source because the room is dark.
How can I help my child with shadows need light?
Name the light source, the blocking object, and the surface.
Are these 1st grade science worksheets free to print?
Yes. All 6 printable versions on this page are free to download and print, with no account needed.

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