Science Quiz

公开|
8
2
1
7
4
5
3
6
9

横向

1

Precious yellow metallic element

3

Amplified beam of light

5

Tissue that contracts for movement

9

Substance with pH below 7

纵向

2

Tectonic landmass section

4

Basic unit of life

6

Ball of burning gas in space

7

Center of an atom or cell

8

Push or pull on an object