Skip to content
Lessons
Audio
Activities
Menu
Lessons
Audio
Activities
Learning Objectives:
Describe how light and sound travel
Investigate the properties of light and sound
Share
Do you need help?
More lessons:
The Sun
Animal Life Cycle
Soil and Water
Weather
Plants and Animals and Their Habitats
Body Systems and Their Functions
Scan to open on other devices
Can you tell us more about the situation?
Leave your details and I’ll get back to you
Report Form
Δ
Issue Encountered
Problem Encountered
Error
Broken Design
Slow Loading
Device used
Choose Device
PC/Desktop
Laptop
Tablet
Phone
Message
Submit