Activity
It's About Time

Sounds in Strings

For Teachers 7th - 12th Standards
How many of your pupils play an instrument? A musical science lesson will help all of them understand how string instruments work. Young scientists construct a string-and-pulley system to test frequency and pitch. The lesson...
Activity
It's About Time

Reflected Light

For Teachers 7th - 12th Standards
The lesson allows young scientists to use lasers and mirrors to study reflected light. A reading passage and homework question assess learning, while additional material introduces extension activities. 
Activity
It's About Time

Refraction of Light

For Teachers 7th - 12th Standards
Don't shine like a diamond, refract light like a diamond. Young scientists use an acrylic block and a laser light to observe refraction. Advanced scholars figure the sine of the angles of reflection and incidence as well as mastering...
Activity
Telefonica

What Did You Do During the Christmas Holiday?

For Teachers 5th - 8th
When your English language learners return from winter break, find out how they spent it! This one-page worksheet reviews basic phrases and leisurely activities. After matching basic phrases with small picture illustrations, learners...