Science Brain Teaser

Public|
6
3
8
2
1
5
4
7

Across

1

Chemical element in table salt

4

Substance with pH below 7

6

Disturbance that transfers energy

7

Unit of force

Down

2

Precious yellow metallic element

3

Blocking of light by a celestial body

5

Unit of power

8

Smallest unit of an element