Vocabulary VI

Question 1

Mass

Answer 1

is the measure of the amount of matter in a substance. Does not change from planet to planet.

Question 2

Weight

Answer 2

is the measure of the amount of material in a substance plus the force of gravity. Changes from planet to planet.

Question 3

Kilogram (g)

Answer 3

the SI Unit of mass, 1000 grams

Question 4

Volume

Answer 4

of any substance is equal to the amount of space it takes up in three dimensions.

Question 5

Density

Answer 5

how tightly packed the molecules are in a material. Density = mass/volume

Question 6

Liter (L)

Answer 6

the SI Unit of volume

Question 7

Milliliter (ml)

Answer 7

1/1000 of a liter

Question 8

Meter (m)

Answer 8

the SI Unit of length

Question 9

Centimeter (cm)

Answer 9

1/100 of a meter, approximately 2.5 cm equal 1 inch

Question 10

Millimeter (mm)

Answer 10

1/1000 of a meter, 10 mm equal a centimeter

Question 11

Second (s)

Answer 11

the SI Unit of time

Question 12

Fahrenheit (°F)

Answer 12

temperature scale used by the U.S. and a few other countries

Question 13

Celsius (°C)

Answer 13

temperature scale used by most countries, and the scientific community. 0° is the freezing point of water, 100° is the boiling point of water

Question 14

Kelvin (°K)

Answer 14

the SI Unit of temperature. Temperature scale where zero is where all molecules stop moving.

Question 15

Pascal (Pa)

Answer 15

the SI Unit of pressure

Question 16

Le Systeme International d’Unites (SI Units)

Answer 16

standards of measurements used for all scientists. Formally called the metric system