MCAS Science Review

The image shows various stages in the water cycle. During which stage does water flow back towards the sea as runoff?

• W

• X

• Y

• Z

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

A student draws a model to represent the precesses involved in the water cycle, as shown. To which process is the formation of clouds related?

• Condensation

• Evaporation

• Freezing

• Melting

Tags

NGSS.MS-ESS2-4

Warm, less dense air (including vapor) rises in the atmosphere. Cool, more dense air (including vapor) sinks. This transfer is . . . .

• convection

• conduction

• radiation

• gravity

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• positive charge.

• negative charge.

• neutral charge

• No charge at all

Tags

NGSS.MS-PS2-3

What is an electric current?

• a build up of electrons

• the difference in charge between 2 points

• the flow of electrons over a circuit

• the opposition to flow of electrons

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What kind of circuit is this?

• Parallel Circuit

• Series Circuit

• Open Circuit

• Reverse Circuit

Tags

NGSS.MS-PS2-3

Surrounding every magnet is a __________ __________. (7.MS-PS2-5.)

• magnetic field

• electrical current

• another magnet

• an enemy

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What does this model represent?

• A single atom.

• A cell.

• A mixture

• A compound

Tags

NGSS.MS-PS1-1

Hydrogen and oxygen are classified as

• minerals

• elements

• organisms

• energy

Tags

NGSS.MS-PS1-1

The equation below shows the products formed when a solution of silver nitrate (AgNO₃) reacts with a solution of sodium chloride (NaCl). AgNO₃ + NaCl -> NaNO₃ + AgCl In this equation, the total mass of the reactants is

• greater than the total mass of the products

• equal to the total mass of the products

• equal to the mass of AgCl

• less than the mass of AgCl

Tags

NGSS.MS-PS1-5