1
Q
IWhat are elements
A
Substances that only contain 1 type of atom
2
Q
How many types of atoms are there?
A
Approximately 100
3
Q
What is the unit used to measure forces?
A
Newtons, N
4
Q
Which force lets you stay on earth without falling off
A
Gravity :)
5
Q
What term means the taking on of oxygen and giving out of carbon dioxide
A
Gas exchange
6
Q
What is another word for windpipe in your respiratory system
A
Trachea
7
Q
Which force slows you down and is very slippery
A
Friction!
8
Q
What is the other name for group 1 elements?
A
Alkali metals
9
Q
A
Computing y8
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