Science Challenge

Public|
7
5
2
8
1
9
6
4
3

Across

1

Natural satellite of Earth

3

Unit of force

5

Gas form of a liquid

6

Measure of matter in an object

9

Ball of burning gas in space

Down

1

Tissue that contracts for movement

2

Smallest unit of an element

4

Magnetic metallic element

7

Path of a planet around the sun

8

Icy body with a tail near the sun