
TEKS & Objectives
7.7. Force, motion, and energy. The student knows that there is a relationship among force, motion, and energy.
8.8.C identify how different wavelengths of the electromagnetic spectrum such as visible light and radio waves are used to gain information about components in the universe
7.2.B design and implement experimental investigations by making observations, asking well defined questions, formulating testable hypotheses, and using appropriate equipment and technology
We will explore the relationship among force, motion, and energy.
I will investigate the practical effects of energy transfer.
1. Watch video
2. Explore DK Find Out
- Click the link below to explore a virtual museum of light.
- Pay special attention to the sections “Shadows” and “Transparent and Opaque Objects.”

3. Review vocabulary and complete PowerPoint quiz.
You’ve seen this vocabulary before.
Light source is an object that can give off light. The sun, a campfire and lightening are all light sources.

Opaque is an object that light cannot pass through; it makes a shadow.

Translucent is an object that light can pass partially through; it makes a light shadow.

Transparent is an object that light can pass through; it does not make a shadow.

Click below to open PowerPoint

4. Shine a laser pointer through gummy bears.
- A red laser beam from a pointer should go through a red gummy bear.
- A green gummy bear will block the red light; it won’t pass through.
- Repeat the demonstration if you also have a green laser pointer.
5. Create a spinning color wheel.
Click the logo below for details:

Speaking of optical colors…
Mr. Green lives in the green house, Mr. Blue lives in the blue house, Mr. Purple lives in the purple house. Who lives in the white house?
Mr. President
6. “Intro to Light”
