A light source is an object that emits, or gives off, light. For example, a campfire is a light source.
View Lesson on Introduction to Light
Become a member to get full access to our entire library of learning videos, reading material, quiz games, simple DIY activities & more.
Become a member to get full access to our entire library of learning videos, quiz games, & more.
Plans & Pricing
Access All Videos
and Lessons, No Limits.
Access All Videos
No credit card required,
takes 7 sec to signup.
No card required
Ready-to-go lessons
that save you time.
Ready-to-go lessons
If you are on a school computer or network, ask your tech person to whitelist these URLs:
*.wistia.com, fast.wistia.com, fast.wistia.net, embed-fastly.wistia.com, embed-cloudfront.wistia.com, embedwistia-a.akamaihd.net
Sometimes a simple refresh solves this issue. If you need further help, contact us.
Learning about light sources helps us understand how important they are in our daily lives and why many jobs need this knowledge. Light is important for keeping us safe and helping us see in our homes. It’s also key in making products that make our lives better and safer when it’s dark. Light is not just for seeing your family or finding food; it’s for making places comfy and useful.
Also, knowing about light sources is important in careers like electronics, interior design, environmental science, and emergency services. Knowing how light works with different things helps experts make better living spaces for us. This shows how necessary light is in everyday uses and advancing technology.
In this lesson, we learn that:
This email is associated with a Science Kit subscription. Kit subscriptions are managed on this separate page: Manage Subscription
• No credit card required •
"My students loved the videos. I started the video subscription in May and used them as a review before the state test, which I know contributed to 100% of my class passing the state test."
Rhonda Fox 4th Grade Teacher, Ocala, Florida
Use Generation Genius in Your School
Access all lessons free for 30 days.
"My students loved the videos. I started the video subscription in May and used them as a review before the state test, which I know contributed to 100% of my class passing the state test."
Rhonda Fox 4th Grade Teacher, Ocala, Florida
• No credit card required •
* no credit card required *
* no credit card required *
* no credit card required *
Thank you for your inquiry.
We will email you a quote as soon as we can.
Please login or create an account to access additional resources
By selecting the “Agree” button below, you acknowledge that you have reviewed and accepted the Terms of Use and Privacy Policy.

no credit card required
Skip, I will use a 3 day free trial
Enjoy your free 30 days trial
Cancel anytime in 1-click on the manage account page before the trial ends and you won't be charged.
Otherwise you will pay just $10 CAD/month for the service as long as your account is open.
Cancel anytime on the manage account page in 1-click and you won't be charged.
Otherwise you will pay $10 CAD/month for the service as long as your account is open.
We just sent you a confirmation email. Enjoy!
Done
Teachers! Start a free trial & we'll send your gift card within 1 day. Only cards left. Try it now.