Key Vocabulary

  1. light

    Light is the energy that makes it possible to see things.

  2. dark

    Dark means with no or very little light.

  3. shadow

    A shadow is the dark place made when an object blocks light. Casts a shadow.

  4. streetlight

    A streetlight is a lamp on the street.

  5. pass

    Pass means to go through. light pass through prism.

  6. sunglasses

    Sunglasses are dark glasses that protect your eyes from the Sun.

  7. candle

    A candle is something that is burned for light.

  8. flashlight

    A flashlight is a small lamp that use batteries. torch (UK).

Visual Summary

Light Sources

Sourcepicture
sunsun
light bulbbulb
starsstars
streetlightstreet

Exercise

Match each word with its definition:

  1. the dark place make when an object blocks light. (shadow)
  2. with no or very little light. (dark)
  3. to go through. (pass)
  4. a lamp on the street. (streetlight)
  5. dark glasses that protect your eyes from the Sun. (sunglasses)
  6. the energy that makes it possible to see things. (light)

Up Close

Light and Shadow

  1. light

    Light can pass through clear objects. It cannot pass through objects which are not clear.

  2. shadow

    A shadow is the dark place made when an object blocks light.

True of False

StatementTrue or False
There is a lot of light in dark places.F
Light makes it possible for us to see things.T
A shadow is made when light passes through an object.F

Reading passage/section

Light is a kind of energy. Light comes from the sun. Light also comes from flashlights, candles and streetlights. Light is important because it lets us see things.

Light can pass through clear objects. Light passes through clear glass or clear plastic. But light cannot pass through objects which are not clear. Sunglasses will block some light and protect your eyes.

When you shine a flashlight on a toy, a dark shape of the toy will be formed. It is called a shadow. A shadow is made when an object blocks light. You can see many shadows on sunny day.

Reading skill

Main Idea and Details

Light is a kind of (energy).

  1. Light comes from the Sun, flashlights, candles, etc. Light lets us (see).

  2. Light (passes) through clear objects.

  3. (Sunglasses) will block some light and protect your eyes.

  4. A (shadow) is made when an object (blocks) light.

Comprehension

  1. What kinds of objects can light pass through. (glass)
  2. Light can come from things like (candles and streetlights).
  3. Sunglasses will protect your eyes by (blcking some of the light from the Sun).
  4. If you shine a flashlight on an object, (you can see a dark shape of the object).

source

From American Textbook Reading Science 11 Grade 2 38:09