SPACE SYSTEMS

Planetary orbits in our solar system are what shape?

• elliptical
• circular
• hyperbolic
• parabolic

Tags

NGSS.HS-ESS1-4

Orbits may change due to ______ or collisions with other objects in the solar system.

• gravitational effects
• nuclear fission
• nuclear fusion
• electromagnetic radiation

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What is the source of the sun’s energy?

• photosynthesis
• nuclear fission
• nuclear fusion
• chemical burning

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What element is a product of nuclear fusion inside an average sized star?

• hydrogen
• oxygen
• helium
• nitrogen

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

How are stars typically classified?

• color and apparent magnitude
• color and temperature
• temperature and apparent magnitude
• temperature and distance from us

What happens to the orbital speed of a celestial object as it gets closer to the sun?

• orbital speed cannot be calculated in an ellipse
• orbital speed increases closer to the sun
• orbital speed decreases closer to the sun
• orbital speed remains constant

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Which of the following supports the Big Bang theory? SELECT ALL THAT APPLY

• pulsars

• redshift of light from all galaxies

• cosmic background radiation

• high number of lighter elements compared to heavier elements

Tags

NGSS.HS-ESS1-2

What does The Big Bang Theory model predict about the ratio of lighter elements to heaver elements?

• less of the lighter elements, more of the heavier of elements
• an equal distribution of lighter and heavier elements
• more of the lighter elements, less of the heavier of elements
• more of the heavier elements in the early universe which become lighter over time

Tags

NGSS.HS-ESS1-2

What will happen to an object’s perceived wavelength as the object moves toward you?

• The wavelength will be lengthened.
• The wavelength will be shortened.
• The wavelength will vary.
• The wavelength will not change.

Tags

NGSS.HS-PS4-1

Based on the observed redshifts in the spectral lines of distant galaxies, what have astronomers concluded about the motion of the universe?

• the universe is contracting
• the universe is smaller than once believed
• the universe is expanding
• Earth is in the center of the universe

Tags

NGSS.HS-ESS1-2