Quiz about Mstep Science Review Middle School

Question 1

Which of the following best describes the ecological relationships of the organisms in the food web?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 2

At which 2 locations is it summer?

Accepted Answer

W and X

Answer

W and Y

Answer

X and Z

Answer

Y and Z

Question 3

Which of the following best shows the appearance and positions of Earth and the Moon during a total lunar eclipse?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 4

A student is investigating the process that changes steel into rust. According to the table, which of the beakers from Investigation 1 does not show evidence of a chemical change?

Accepted Answer

Beaker X

Answer

Beaker Y

Answer

Beaker Z

Question 5

Which of the following describes what primarily causes the ocean tides?

Accepted Answer

Gravity from the Moon and the Sun

Answer

Convection from plate tectonics

Answer

Convection from Earth's north and south poles

Answer

Magnetism from Earth's north and south poles

Question 6

Which part of the diagram represents the foundation of the building?

Accepted Answer

Z

Answer

W

Answer

X

Answer

Y

Question 7

Which of the following describes the foundation of a building?

Accepted Answer

It is a part that the entire building is built upon, and it keeps the building from sinking into the ground.

Answer

It is a flat surface that people can walk on, but it does not help to support the building.

Answer

It is a vertical wall that blocks access and visibility, but it provides structural support for the building.

Answer

It is a cover that protects the building, and it shields anything inside from sunlight and precipitation.

Question 8

Which of the following diagrams correctly identifies the different parts of the wave?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 9

Which of the following shows the order of formation from oldest to youngest?

Accepted Answer

W, Y, X, Z

Answer

W, X, Y, Z

Answer

Z, Y, X, W

Answer

Z, X, Y, W

Question 10

Which of the following best shows the structure of the universe?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 11

A plant (Rr) is crossed with a plant (rr). Which Punnett square correctly shows this cross?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 12

Given the Punnett square for the traits of rounded seeds (dominant R) and wrinkled seeds (recessive r), what is the probability that an offspring will have rounded seeds?

Accepted Answer

$$\frac{1}{2}$$

Answer

0

Answer

$$\frac{1}{4}$$

Answer

$$\frac{3}{4}$$

Answer

Question 13

Which of the following best explains why the engineers used concrete to build this part of the bridge?

Accepted Answer

Concrete is high in strength so this part of the bridge can support a large amount of weight.

Answer

Concrete is low in density so this part of the bridge can float on top of the water.

Answer

Concrete is heavy so this part of the bridge can move back and forth in the wind.

Answer

Concrete is low in density so this part of the bridge can move back and forth in the wind.

Question 14

Which of the following changes should the student include in the new model?

Accepted Answer

Making larger spaces between the atoms

Answer

Making the atoms bigger

Answer

Making the atoms a different shape

Answer

Making chemical bonds between the atoms

Question 15

Two pea plants are crossed. Each parent has a dominant allele for height (H) and a recessive allele for height (h).

Which of the following shows the expected percentage of each genotype for the offspring of these parents?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 16

Which of the following lists the materials in order from least dense to most dense?

Accepted Answer

Wood - Rubber - Glass

Answer

Glass - Wood - Rubber

Answer

Glass - Rubber - Wood

Answer

Rubber - Glass - Wood

Question 17

Polar bears live in the Northern Hemisphere and need a large amount of Arctic ice to hunt.

Which of the following is most likely to occur if the amount of Arctic ice in polar regions decreases significantly over a short period of time?

Accepted Answer

Polar bears will become extinct.

Answer

Polar bears will migrate to the South.

Answer

Polar bears will develop a larger body size.

Answer

Polar bears will adapt to water environments.

Question 18

Which of the following best shows the ways that energy from the Sun and the force of gravity affect the cycling of water?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 19

Hawks and owls are both birds of prey and often live in the same areas.

Which of the following factors most likely limits competition for prey between hawks and owls living in the same area?

Accepted Answer

Hawks are active during the day and owls are active during the night.

Answer

Hawks and owls have different predators.

Answer

Hawks have speckled eggs and owls have white eggs.

Answer

Hawks and owls are camouflaged by different feather colors.

Question 20

Which of the following statements best explains why air on Earth circulates between the equator and the poles?

Accepted Answer

Earth's surface temperature is greater near the equator than at the poles.

Answer

The atmosphere is higher near the equator than at the poles.

Answer

The atmosphere is more dense near the equator than at the poles.

Answer

Earth's gravitational pull is weaker near the equator than at the poles.

Mstep Science Review Middle School

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