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Lesson Worksheet: Light and Materials Science

In this worksheet, we will practice investigating how different materials react to light in order to define and categorizing them as transparent, translucent or opaque.


Which of the following does Chloe need to be able to see her cat?

Little girl with kitten face to face lying on floor together
  • AShadows
  • BLight
  • CDark


Pick the transparent material.

  • A
  • B
  • C


Which of Matthew’s cups is made from a translucent material?

  • A
  • B
  • C


This toy is opaque.

Wooden toy train with colorful blocs

Fill in the blank: An opaque material light through.

  • Alets some
  • Bdoes not let any
  • Clets all


The view through Scarlett’s bathroom window is not clear because only some light gets through.

Orange plastic cup holding three toothbrushes

Which word describes Scarlett’s window?

  • AOpaque
  • BTransparent
  • CTranslucent


The view through Sophia’s bedroom window is clear because all the sunlight can pass through.

Pretty styled pink pastel girls bedroom.

Which word describes Sophia’s window?

  • ATranslucent
  • BOpaque
  • CTransparent


Look at these groups of materials.

Which group does the material of this brick belong to?

  • AOpaque
  • BTranslucent
  • CTransparent


Hannah tests out how light passes through three different materials by putting her hand behind each material. Here are her results.

Which material is opaque?


Pick the toy made from an opaque material.

  • A
  • B
  • C


Fares is testing how light travels through different materials. Pick the correct method.

  • A
  • B

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