NGSS
5-PS2-1
3 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Grade 5 Science · Chapter 3 · Lesson 1
Toward the center, not toward the floor.
Grade 5 Science · Chapter 3 · Lesson 2
The same pull, all over the planet.
Grade 5 Science · Chapter 3 · Lesson 3
Heavy and light land together.