STAAR Science 8

Particles in an atom that are neutral and have no charge are 

• negatrons 

• electrons 

• neutrons 

• protons 

If the mass number of this chlorine atom is 36, how many neutrons does it have?

• 17

• 18

• 19

• can't be determined

Tags

NGSS.MS-PS1-1

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

The substances listed on the right side of a chemical equation are the

• Yields

• Reactants

• Products

• Precipitates

Tags

NGSS.MS-PS1-5

At position A, which hemisphere would have summer?

• Northern hemisphere

• Southern hemisphere

• Neither hemisphere

Tags

NGSS.MS-ESS1-1

What does the tilt of the earth cause?

• heating

• Seasons

• Atmosphere

• Years

Tags

NGSS.MS-ESS1-1

Earth's ________ on its axis causes day and night.

• rotation

• revolution

• phase

• comet

Tags

NGSS.MS-ESS1-1

What kind of galaxy is this?

• Ring

• Irregular

• Spiral

• Elliptical 

Tags

NGSS.MS-ESS1-2

Blue stars are the _____________.

• hottest

• coolest

• smallest