Astronomy and Cosmology Worksheet (Grade 7)

Give the name of an object in the asteroid belt.

• Ceres

• Europa

• Titan

• Enceladus

How would the orbit of an asteroid belt object compare to the orbits of Mars and Jupiter?

• Closer to the Sun than Mars

• Between the orbits of Mars and Jupiter

• Farther from the Sun than Jupiter

• Exactly the same distance from the Sun as Mars

Tags

NGSS.HS-ESS1-4

Period of revolution: Compared to Mars and Jupiter, the orbital period of an asteroid belt object is

• shorter than Mars but longer than Jupiter

• longer than Mars but shorter than Jupiter

• shorter than both Mars and Jupiter

• longer than both Mars and Jupiter

Tags

NGSS.HS-ESS1-4

Distance from the Sun: Compared to Mars and Jupiter, the average distance of an asteroid belt object from the Sun is

• closer than Mars but farther than Jupiter

• farther than Mars but closer than Jupiter

• the same as Mars

• farther than Jupiter

Tags

NGSS.MS-ESS1-3

Compare gravitational attraction and orbital velocity (speed) at perihelion (close): Which statement best describes both quantities at perihelion?

• Gravitational attraction is weak and orbital speed is low

• Gravitational attraction is strong and orbital speed is high

• Gravitational attraction is strong and orbital speed is low

• Gravitational attraction is weak and orbital speed is high

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Compare gravitational attraction and orbital velocity (speed) at aphelion (far): Which statement best describes both quantities at aphelion?

• Gravitational attraction is weak and orbital speed is low

• Gravitational attraction is strong and orbital speed is high

• Gravitational attraction is strong and orbital speed is low

• Gravitational attraction is weak and orbital speed is high

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

When did our solar system form?

Tags

NGSS.HS-ESS1-6

When was the Big Bang?

Tags

NGSS.HS-ESS1-2

What was the size of the universe just before the Big Bang?

• approximately the size of a galaxy

• extremely small—smaller than an atom

• infinite and unchanged

• about the same as it is today

Tags

NGSS.HS-ESS1-2

How has the spatial scale of our universe changed since the Big Bang?

• It has contracted overall

• It has stayed the same size

• It has expanded over time

• It has cycled between expanding and contracting without net change

Tags

NGSS.HS-ESS1-2