8th Grade CAST Practice Section 1

• A

• B

• C

• D

Tags

NGSS.MS-PS1-5

The first two choices are for the first blank, and the last three are for the second blank. So, pick the best answer of the first two choices AND the best answer of the last three choices.

• light colored

• dark colored

• cannot see them as well as fish of the other color

• can move faster than this species of small fish

• predicts where each color of fish will be

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Students are asked to make a claim about which design will meet two criteria. The bottle must be break-resistant and must keep the water hot for the longest time. They are also asked to provide a supporting statement for their claim.

Which student claim and supporting statement are about the design that best meets the two criteria?

• Bottle 1: It has an unbreakable steel inner lining

• Bottle 2. It has a glass inner lining which is a better insultor

• Bottle 3. It has an unbreakable steel inner lining and a foam cover that will keep the water hot for the longest time.

• Bottle 4. It has a glass inner lining and a foam cover that will keep the water hot for the longest time.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Choose the claim statement that best agrees with the data.

• Mass does not affect the gravitational force between two objects

• Mass is the only variable that affects the gravitational force between two objects

• Distance is the only variable that affects the gravitational force between two objects

• Both mass and distance are variables that affect the gravitational force between two objects

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

As the masses of both objects increased, the gravitational force between them _____________ and as the distance between the two objects increased, the gravitational force between them ____________.

• increased, decreased

• decreased, increased

• both increased

• both decreased

• stayed the same in both

Tags

NGSS.MS-PS2-4

Select the plan that best matches the criteria and constraints made by the town leaders

• Plan 1

• Plan 2

• Plan 3

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

The data _____A________ the scientists' claim because as the demand for almonds increases, almond production in California will most likely _________B__________.

• A. support; B. decrease which will decrease the use of freshwater

• A. support; B. increase, which will increase the use of freshwater

• A. does not support B. decrease, which will decrease the use of freshwater

• A. does not support B. increase, which will increase the use of freshwater.

Tags

NGSS.MS-ESS3-4

• Earthquake A

• Earthquake B

• Earthquake C

• Earthquake D

Tags

NGSS.MS-ESS3-2

Choose all that "Does show a field exists"

• A magnet touched to a paper clip picks it up from a bottle

• A magnet held near a small metal ball makes the ball roll across a table

• The north pole of a magnet sticks to the south pole of a second magnet when they touch

• A small magnet held under a piece of paper with iron fillings on top makes the filings move into a pattern that covers the whole piece of paper.

Tags

NGSS.MS-PS2-5

Plants contribute all four of these to the carbon cycle. Which ones are also true about animals?

• Produce CO2 that is used in photosynthesis

• Use CO2 in photosynthesis

• Produce O2 that is used in cellular respiration

• Use O2 in cellular respiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3