Search Header Logo
  1. Resource Library
  2. Science
  3. Physics
  4. Properties Of Light
  5. Lesson On Properties Of Light
Lesson on Properties of Light

Lesson on Properties of Light

Assessment

Presentation

Science

4th Grade

Hard

Created by

Joseph Anderson

FREE Resource

11 Slides • 0 Questions

1

Properties of Light

P4 science unit 10​

By U T

2

media

We are able to see if the light enters our eyes

​HOW DO WE SEE

OBJECTS AROUND US?​

3

media
media
media

THE SUN

BURNING CANDLES

STARS

​EXAMPLE OF LIGHT SOURCES

THINGS THAT ​GIVE OUT LIGHTS DIRECTLY

4

media

Light from the light source​s fall from the object. Then the light reflects and enter our eyes.That show reflection is when light bounces off an object.

WHAT IS REFLECTION?​

5

media

​The amount of Light reflected from different surface is different

​a smooth surface reflects

light in same direction​

​​a rough surface reflects

light in different direction​

6

media
media

we use mirror to see object we cannot look at directly. This is possible because the object reflect the light from the light sources onto the mirror

MIRROR

​A periscope allows us to see objects that we are not looking at directly. It consists of 2 mirrors to reflect light into our eyes

​​PERISCOPE

7

three categories of materials

​TYPE OF MATERIALS

DESCRIPTION​

EXAMPLES​

​TRANSPARENT material allow almost all light to pass through

​​We can see clearly through them

​glass window

clear plastic

TRANSLUCENT material allow some light to pass through​

​We cannot see clearly through them

​frosted glass

tissue paper

​OPAQUE material do not allow any lights to pass through

​We cannot see through them at all

​wood

metal

8

media

9

media

10

media

11

A SHADOW IS FORMED BECAUSE THERE IS NO LIGHT ALLOWED TO PASS THROUGH THE OBJECT​

HOW ARE SHADOW FORM?

media

Properties of Light

P4 science unit 10​

By U T

Show answer

Auto Play

Slide 1 / 11

SLIDE