Which of the following is NOT a physical change?

• grinding

• cutting

• boiling

• burning

Tags

NGSS.MS-PS1-2

A state of matter in which a material has no definite shape but has a definite volume is the ____ state.

• gas

• liquid

• plasma

• solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The SI base units for length and time are

• centimeter and second

• meter and hour

• centimeter and hour

• meter and second

The unit cm³ measures

• length

• area

• volume

• time

Which pair of quantities determines the density of a substance?

• mass and weight

• volume and weight

• volume and concentration

• volume and mass

The number of grams equal to 0.5kg is

• 0.0005

• 0.005

• 500

• 5000

The number of significant figures in the measurement 2010 is

• 1

• 2

• 3

• 4

The smallest unit of matter that retains the properties of that matter is

• a molecule

• a compound

• a mixture

• an atom

Which statement best describes an element?

• any combination of two or more atoms of different types

• a pure substance made up of only one kind of atom

• a substance containing only carbon atoms

• any kind of crystal

How many centimeters are in a meter?

• 1000

• 10

• 100

• 1

Tags

CCSS.2.MD.A.2