Grade 4 Science Unit: Lights

Grade 4 Science: Lights Unit 

Unit Plan At-A-Glance


Lessons
Overview
Materials

1
Introductory

Lesson

Light in Our Lives:
What is the relationship between heat and light?

How do we maximize the benefits of light and limit the negative effects of light?
Introduce Journaling

  • Paper and pencil
  • Textbook
  • Science Journals

2
Why is Light Special?
How is light important in various cultures?
  • Paper and pencil
  • Textbook
  • Science Journals

3
How Does Light Travel?
How does light move?
  • Paper and pencil
  • index cards
  • straws
  • water
  • rulers
  • markers
  • hole punch
  • modelling clay
  • flashlights
  • beakers/glasses

4
Where does Light Come From?
What are the different sources of light?

What are the characteristics of light?

What is the difference between natural and artificial sources of light?

  • Science Journals
  • Mystery bag (fireflies, glow-worms, moon, sun, flashlight, light bulb, glow stick, etc)
    • can be objects of pictures of objects
  • Ipads/ Laptops
  • Paper and markers

5
Continuation: Where does Light Come From?
What are the different sources of light?

What are the characteristics of light?

What is the difference between natural and artificial sources of light?

  • Ipads/ Laptops
  • Paper and markers
WEEK 2
6
Reflection: How can Reflections be used?
Discover how to change the path light travels .

How does light interact with materials?

  • paper and pencil
  • index cards
  • modelling clay
  • mirrors
  • flashlights
  • materials to test (foil, paper, plastic,etc.)
  • ruler
7 How can Devices use Light?
Investigate how light interacts with optical devices

  • kaleidoscope, microscope, periscope, and magnifying glasses

How are lenses useful?

  • kaleidoscope
  • microscope
  • periscope
  • magnifying glasses
  • paper and pencil
  • objects to test
8 Refraction: How can we change the path of light?
How does light move?

How does light travel?

Can light be slowed or stopped?

9 Prisms and Rainbows

How do we use colour?
What is white light and why is it important to what we see?

How does the colour of light impact our lives?

WEEK 3

10

Opaque, Translucent, and Transparent
How does light help us to classify things?

How does light interact with materials?

Why does this interaction differ from material to material?

  • Different materials
    • Transparent, translucent, and opaque (tin foil, clear bags, paper, plastic containers, tissue paper, balloon, etc.)
  • Flashlights
11 What is a shadow?
Use the characteristics of light to make shadows

  • shadow puppet show
  • creating shadows (size, clarity, etc)
12 How can light be used?

Exploring and researching jobs related to light.
How is light important in your life?

To research the costs and benefits of lighting
**Introduce Project**

13 Work Period (for their projects)
14 Work Period and Learning Stations

OR

What is light energy?
Explore the types of energy that come from the sun

How can I conserve energy?

What is the relationship between heat and light?

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