Science Challenge

Public|
5
4
8
2
1
3
6
9
7

Across

1

Second lightest element

3

Tectonic landmass section

5

Gas form of a liquid

7

Unit of force

8

Substance with pH below 7

Down

2

Basic unit of life

4

Glass that splits light into spectrum

6

Our home planet

9

Magnetic metallic element