Science Brain Teaser

Public|
8
7
4
2
1
3
5
6

Across

1

Disturbance that transfers energy

2

Positive particle in nucleus

3

The Red Planet

6

Hottest planet in solar system

Down

2

Fourth state of matter

4

Unit of heredity

5

Chemical element in table salt

7

Unit of power

8

Amplified beam of light