Astronomy Test Review

When Earth is at the point labeled on the diagram, it moves most quickly in its orbit. Which best explains this more rapid motion of Earth?

• The amount of solar heat reaching Earth is greatest at this point

• The Sun’s gravitational pull on Earth is strongest at this point.

• Earth is closest to the Sun’s magnetic field at this point.

• Earth is closest to the Sun’s radioactivity at this point.

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NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which is an effect of increased ultraviolet (UV) radiation striking Earth?

• increased incidences of skin cancer

• decreased rates of photosynthesis

• increased phytoplankton activity

• decreased carbon dioxide levels

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NGSS.MS-LS1-6

Which is an effect of lower levels of solar radiation striking Earth?

• increased incidences of skin cancer

• decreased rates of photosynthesis

• increased phytoplankton activity

• decreased carbon dioxide levels

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Why do green plants require solar energy?

• to absorb nitrogen into their roots

• to release carbon dioxide into the atmosphere

• to produce their own food

• to decompose dead or decaying remains of animals

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does heat from the sun get to Earth?

• . by radiation, using electromagnetic waves to transfer the heat

• by convection, using liquids and gases to transfer the heat

• by conduction, using solids to transfer the heat

• by absorption, using primary waves to transfer the heat

Which of the following is the splitting of a large atom into two or more smaller ones?

•   Fission

•    Fusion

• Photosynthesis

• Chemical reactions

Tags

NGSS.HS-PS1-8

Energy is created in the core of the sun when two ___________ atoms join together to form a ____________ atom.

• Helium, hydrogen

• Carbon, hydrogen

• Nitrogen, helium

• Hydrogen, helium

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Nuclear fission produces energy in nuclear power plants, and nuclear fusion produces the energy in the core of Earth

• Helium

• Nitrogen

• Oxygen

• Uranium

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NGSS.HS-PS1-8

Which describes the difference between nuclear fission and nuclear fusion?

• Nuclear fission is the process that produces the radiant energy of stars, and nuclear fusion splits a heavier nucleus into smaller nuclei.

• Nuclear fission is the process that produces the radiant energy of stars, and nuclear fusion splits a heavier nucleus into smaller nuclei.

• Nuclear fission produces the energy in the core of Earth, and nuclear fusion produces energy in nuclear power plants.

• Nuclear fission produces energy in nuclear power plants, and nuclear fusion produces the energy in the core of Earth

Tags

NGSS.HS-PS1-8

The moon goes through phases as it revolves around Earth.  During which phase would it be possible for a solar eclipse to occur?

• new moon

• 1^st quarter moon

• full moon

• 3^rd quarter moon

Tags

NGSS.MS-ESS1-1