unit 1 vocab

Question 1

independent variable

Answer 1

the variable that is manipulated by scientist

Question 2

dependent variable

Answer 2

variable that responds to change made by independent variable

Question 3

precision

Answer 3

obtaining the same value repeatedly

Question 4

accuracy

Answer 4

how close a result is to the accepted value

Question 5

quantitative

Answer 5

observations that include a number or a unit

Question 6

qualitative

Answer 6

observations that don’t include numbers or units

Question 7

mass

Answer 7

amount of matter in a substance

Question 8

temperature

Answer 8

kinetic energy

Question 9

volume

Answer 9

amount of space occupied by matter or anything made from atoms

Question 10

matter

Answer 10

anything that has mass or takes up space

Question 11

element

Answer 11

every piece of matter is the same

cannot be divided

Question 12

mixture

Answer 12

more than one type of matter mixed together

Question 13

compound

Answer 13

more than one type of atom chemically bonded together

can be divided by chemical methods only

Question 14

homogeneous mixture

Answer 14

looks the same throughout