CAST Practice Test

Complete the sentence:

Formic Acid is represented by Model ​​1. This model has a different number of ​​_______ atoms than the other model.

• oxygen

• hydrogen

• carbon

Tags

NGSS.MS-PS1-1

Based on the data in the table, select the best phrase:

After the new predator is added to the pond, the ___________ have a better chance of surviving because the predator cannot see them compared to the other kind of fish.

• dark-colored fish

• light-colored fish

Tags

NGSS.MS-LS2-4

The bottle must be break-resistant and keep the water hot for the longest time.

Which claim meets the 2 criteria?

• Bottle 1: It has an unbreakable steel inner lining.

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

• 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 a long time.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Choose a claim 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-PS2-2

NGSS.MS-PS2-4

Scientists claim that this increased demand for almonds will cause a decrease in CA's limited freshwater supply.

The data supports the scientists' claim, because as the demand for almonds increases, almond production in CA will most likely _______ the use of freshwater.

• increase

• decrease

Tags

NGSS.MS-ESS3-4

Choose the sentence that best explains the paramecium population growth rate at Part A and Part B.

• In Part A the population is growing faster compared to Part B because there's plenty of food.

• In Part A the population growth is slower compared to Part B because the food supply is limited.

• In Part B the population growth is faster than Part A because there is a steady supply of food.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which earthquake has the greatest likelihood of causing a tsunami to develop?

• Earthquake A

• Earthquake B

• Earthquake C

• Earthquake D

Tags

NGSS.MS-ESS3-2

A student wants to show a friend that magnetic field exists in the region around a permanent magnet.

Which row shows that field exists in a region around a magnet. (Select all that apply)

• Row 1

• Row 2

• Row 3

• Row 4

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Scientists have discovered a Mesosaurus fossils on the eastern coast of South America. The fossils are identical to the ones found in southern Africa. These fossils are not found anywhere on Earth.

Though the two continents were once joined, ______________ caused movement of the continents to their current positions. The evidence supporting the claim that the continents were once joined includes the presence of the same fossils.

• ocean currents

• gravitational pull

• seafloor spreading

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The student proposes to test the claim in the laboratory by using the metal rods of iron (Fe), copper (Cu), and aluminum (Al).

In addition to the metal rods, which pieces of equipment would be useful for investigating the claim?

• prism, heat lamp, screen, meter stick

• beaker, digital scale, stopwatch, clamp

• litmus paper, beaker, pan balance, battery

• hot water, pan to hold water, stopwatch, thermometer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4