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Question 1

constants

Answer 1

parts of the experiment that stay the same

Question 2

variable

Answer 2

factor you want to change or control in an experiment

Question 3

independent variable

Answer 3

the variable to change because you want to test it

Question 4

dependent variable

Answer 4

the variable to observe for effects caused by the change in the independent variable

Question 5

mass

Answer 5

the amount of matter in something

Question 6

matter

Answer 6

anything that has mass and volume

Question 7

gas

Answer 7

particles widespread and moving very fast

Question 8

closed system

Answer 8

matter that can’t go in or out of a system

Question 9

open system

Answer 9

matter that can go into a system

Question 10

evaporation

Answer 10

when water particles go into the air and change from liquid to gas

Question 11

condensation

Answer 11

when gas turns back into a liquid

Question 12

control group

Answer 12

the original experiment to compare new results to

Question 13

solid

Answer 13

very dense particles vibrating very slowly in place

Question 14

liquid

Answer 14

particles less dense than a solid and moving faster but not to fast