Introduction to Matter

The smallest particles that make up matter are

• too small to see

• large enough to touch

• too small to see without eyeglasses

• large enough for most people to see

Tags

NGSS.MS-PS1-1

Which of these is a single substance?

• a mud puddle

• a car

• a house

• gasoline

When water freezes

• it becomes a completely different substance

• it becomes two different substances

• it vanishes into the air

• it changes form, becoming ice

Tags

NGSS.MS-PS1-4

An atom is the

• amount of matter in an object

• volume of a substance

• smallest object seen by the unaided eye

• basic unit of matter

Tags

NGSS.MS-PS1-1

Suppose that you cut a sugar cube into smaller and smaller parts, If you could separate out one molecule, which of these describes what you have?

• a molecule without atoms

• a carbon atom

• a molecule with no mass

• a molecule of sugar

Tags

NGSS.MS-PS1-1

Which of these is an example of matter?

• the sound of thunder

• smoke from a fire

• heat from an over

• sunlight

The weight of a camera is

• the number of molecules in the camera

• the pull of gravity on the camera

• how much matter the camera contains

• the amount of space the camera takes up

Tags

NGSS.MS-PS2-4

Which is the volume of a box that is 10 cm wide, 10 cm long and 1 cm high?

• 100 cm³

• 100 grams

• 21 grams

• 21 cm³

An atom is

• made up of several compounds bonded togetyher

• the largest unit of matter

• the smallest unit of matter

• made up of several molecules bonded together

Tags

NGSS.MS-PS1-1

Which of these is an example of a molecule?

• the smallest grain of salt in a salt shaker

• two oxygen atoms joined to a carbon atom

• a small nugget of pure gold

• a small drop of sugar water

Tags

NGSS.MS-PS1-1