Middle School Science

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?

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Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• Glass - Wood - Rubber

• Glass - Rubber - Wood

• Rubber - Glass - Wood

• Wood - Rubber - Glass

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?

• Polar bears will migrate to the South.

• Polar bears will become extinct.

• Polar bears will develop a larger body size.

• Polar bears will adapt to water environments.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

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Tags

NGSS.MS-ESS2-4

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

• Hawks and owls have different predators.

• Hawks have speckled eggs and owls have white eggs.

• Hawks and owls are camouflaged by different feather colors.

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

Tags

NGSS.MS-LS2-2

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

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

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

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

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

Tags

NGSS.MS-ESS2-6

At which 2 locations is it summer?

• W and X

• W and Y

• X and Z

• Y and Z

Tags

NGSS.MS-ESS1-1

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

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Tags

NGSS.MS-ESS1-1

Which of the following describes the foundation of a building?

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

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

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

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

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

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Tags

NGSS.MS-PS4-1