Looking at the picture, what MOST LIKELY could have caused these fish to start dying in this pond community?

• It rained more this year

• Farmers spraying chemicals on plants near the pond, causing runoff into the water.

• More plants started growing around the pond.

• The weather was slightly cooler this year.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS1-5

NGSS.MS-LS2-4

The image here shows a grizzly bear consuming a salmon, which makes up a large part of its diet. If humans overfished in the area and removed a large number of salmon, what might happen to the grizzly population?

• The grizzly bear population would prey on humans for their food supply.

• The grizzly bear population would see an overall decrease without a main food supply.

• The grizzly population would see an overall increase due to greater availability of other food supplies.

• The grizzly population would see no change in population size due to a large variety of food types in their diet.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following would you most likely use a magnifying glass to look at closely?

• A large rock

• A piece of paper

• A small ant crawling on the ground

• A school bus

Tags

NGSS.2-PS1-1

Which physical property do these objects share?

• hardness

• color

• shape

• texture

Tags

NGSS.5-PS1-3

Which of these is true for liquid water?

• It takes the shape of its container.

• It cannot change shape.

• It changes volume to fill up any room.

What can you tell by looking at this scale?

• The animals have about the same mass.

• The animal on the left has much more mass.

• The animal on the right has much more mass.

• The mass of the two animals is extremely different.

The Grand Canyon was formed through weathering and erosion by the Colorado River.

• True

• False

Tags

NGSS.MS-ESS2-2

Which of these is in the correct order?

• weathering, deposition, erosion

• deposition, erosion, weathering

• weathering, erosion, deposition

• erosion, weathering, deposition

Luster is:

• how a mineral breaks into pieces

• the way a mineral reflects light

• the powder inside a mineral

• how easily a mineral can be scratched

What is the main source of energy for plants?

• Rain

• The Sun

• The Grass

• Soil

Tags

NGSS.MS-LS1-6