NGSA practice

1. In a forest ecosystem, the deer eat the grass and the wolves eat the deer. Which of the following statements correctly describes the flow of energy and matter in this food web?

• The energy and matter flow from the wolves to the deer to the grass

• The energy and matter flow from the grass to the deer to the wolves

• The energy flows from the grass to the deer to the wolves, but the matter flows in the opposite direction

• The energy and matter flow from the wolves to the deer and then back to the wolves

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A strong rainstorm causes a large boulder to break into smaller pieces. Which of the following processes is most likely responsible for this change?

• Deposition

• Erosion

• Weathering

• Compaction

When water is heated, it undergoes a phase change from a liquid to a gas. What is the name of this phase change?

• Condensation

• Evaporation

• Melting

• Freezing

Tags

NGSS.MS-PS1-4

Which of the following is necessary for an electrical circuit to function properly?

• remote control

• A switch

•  Mario

• A complete path for the flow of electricity

Two bar magnets are placed near each other, with one magnet's north pole facing the other magnet's south pole. What will happen?

 

• The magnets will repel each other

• The magnets will attract each other

• The magnets will have no effect on each other

• The magnets will become demagnetized

Tags

NGSS.MS-PS2-5

 In a marine ecosystem, phytoplankton are consumed by zooplankton, which are then consumed by small fish. Where does the energy in this food web ultimately come from?

• The small fish

• The zooplankton

• The phytoplankton

• The sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is true about the flow of energy in a food web?

• Energy flows from producers to consumers to decomposers

• Energy flows from consumers to producers to decomposers

• Energy flows from decomposers to consumers to producers

• Energy flows from producers to decomposers to consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

When water is cooled, it undergoes a phase change from a liquid to a solid. What is the name of this phase change?

• Condensation

• Evaporation

• Melting

• Freezing

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following is a characteristic of gases?

• Definite volume and definite shape

• Definite volume and variable shape

• Variable volume and definite shape

• Variable volume and variable shape

If a switch in an electrical circuit is turned off, what will happen to the flow of electricity?

• The flow of electricity will increase

• The flow of electricity will decrease

• The flow of electricity will remain the same

• The flow of electricity will stop