NGSS Middle School Science

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?

• 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 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.

Ocean tides are the result of

• the rotation of Earth.

• the sun’s gravitational pull on Earth.

• changes in Earth’s orbital position around the sun.

• differences in both the sun’s and moon’s gravitational pull on Earth.

Tags

NGSS.MS-PS2-4

The orbit of a planet around the sun is a(an)

• ellipse.

• straight line.

• circle.

• parabola.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following groups are all terrestrial planets?

• Venus, Mars, Mercury

• Mars, Venus, Saturn

• Jupiter, Mars, Neptune

• Mercury, Saturn, Jupiter

Which of the following groups of planets are all gas giants?

• Neptune, Saturn, Jupiter

• Venus, Mars, Saturn

• Mars, Venus, Mercury

• Mars, Jupiter, Neptune

How long does it take the Earth to make one REVOLUTION around the Sun?

• 12 hours

• 24 hours

• 365 days

• 29.5 days

Earth's rotation on its axis is what causes ______________________________.

• seasons

• moon phases

• day and night

• weather

The phases of the moon are caused by

• The Earth's shadow on the moon

• The moon is a white dwarf

• The amount of sunlight being reflected by the moon towards Earth

• The amount of light emitted by the moon towards Earth

Tags

NGSS.MS-ESS1-1

Which letter best represents Summer in the Southern Hemisphere?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-1