NGSS

HS-PS4-3

5 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.

Physical Science · Chapter 7 · Lesson 3

Radio and gamma differ in one number.

Honors Chemistry · Chapter 2 · Lesson 1

Brightness does not help if the frequency is wrong.

Honors Physics · Chapter 6 · Lesson 4

Waves add and then carry on unchanged.

Honors Physics · Chapter 8 · Lesson 4

The experiment that broke the wave theory of light.

Honors Physics · Chapter 8 · Lesson 5

Hold the speed of light fixed and everything else gives way.