Science 7 Final Exam Review

Matter is anything that has ________ and takes up space.

• sound

• mass

• light

• none of the above

Tags

NGSS.5-PS1-1

An astronaut takes a trip to the Moon. On the Moon, the astronaut weighs

• less because the Moon has no atmosphere.

• less because the Moon has less gravity than the Earth has.

• more because its mass explodes in space.

• the same because weight doesn’t change

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Which of the following is a compound?

• Gold.

• Sugar

• Carbon

• Hydrogen

Tags

NGSS.MS-PS1-1

The atoms and molecules of a solid such as a table:

• don’t move at all.

• flow from place to place throughout the table.

• shake back and forth in place.

• move only when the table is moved.

Tags

NGSS.MS-PS1-4

A substance that contains only one type of atom is a/an

• compound

• homogeneous mixture

• element

• heterogeneous mixture

Fruit salad is a mixture that can be separated by ______________ means.

• chemical

• no

• breaking bonds

• physical

Whether a substance is a solid, a liquid, or a gas depends on how close its atoms are to one another and

• the volume of each atom.

• how much matter the atoms have

• how free that atoms are to move.

• the size of the container.

Tags

NGSS.MS-PS1-4

Which of these is NOT a pure substance?

• pure gold

• pure silver

• salt

• blood

Which of these can be used to find the volume of a juice box?

• mass/volume

• mass x weight x length

• length x width x height

• mass/weight

Compounds can be separated only by

• breaking the atoms into smaller pieces.

• breaking the bonds between the atoms.

• using a magnet to attract certain atoms.

• evaporating the liquids.