Science Challenge

公开|
2
6
1
3
8
4
7
5
9

横向

1

Magnetic metallic element

4

Ball of burning gas in space

5

Nerve cell in the brain

8

Positive particle in nucleus

9

Form of thermal energy

纵向

2

Push or pull on an object

3

Unit of force

6

Gas form of a liquid

7

Unit of electric potential