STEM: Mid-Term Exam Review

Scientists determine the composition and temperature of stars

• through magnetic testing

• by analyzing the spectra of the light that stars emit

• by sampling matter on the surface of stars

• by analyzing the vibrations that stars emit

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NGSS.HS-ESS1-2

Johannes Kepler is known for his laws of Planetary Motion. Which of the laws below is NOT a law of planetary motion?

• Law of Ellipses

• Harmonic Law

• Law of Varying Speeds

• Law of Equal Areas

Cosmic microwave background radiation is classified as a form of electromagnetic energy because it

• is visible to humans

• moves due to particle collisions

• travels in waves through space

• moves faster than the speed of light

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NGSS.HS-PS4-3

NGSS.HS-PS4-4

What did Hubble discover that indicates that the universe is expanding?

• only stars in the main sequence are moving away from earth

• galaxies are moving closer to earth

• spectras of galaxies were shifted toward the blue end

• spectras of galaxies were shifted toward the red end

Tags

NGSS.HS-ESS1-2

This Catholic priest and physics professor, proposed the theory of the expanding universe.

• Nicolaus Copernius

• George Gamow

• Georges Lamitre

• Aristotle

What property of a star is most important for determining a star's life cycle and span?

• color

• temperature

• initial mass

• distance from earth

What is the Big Bang Theory?

• theory to explain how noise happens

• theory to explain how the universe will end

• theory to explain how the universe began

• theory that really explains nothing

Tags

NGSS.HS-ESS1-2

Kepler's second law of planetary motion is the Law of Equal Areas.  In the diagram below, the shaded areas are equal in size and it takes a satellite 60 days to travel between point A and point B.  How long will it take that satellite to travel between point C and point D?

• 60

• 120

• 30

• 90

Tags

NGSS.HS-ESS1-4

Ocean tides observed at coastal locations each day are primarily caused by

• Earth’s revolution around the sun

• The changing phases of the moon

• the gravitational attraction between the moon and earth

• Seasonal changed in the compass location of sunrise

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

During the creation of Earth's early atmosphere volcanic eruptions released large amounts of gases, mainly water vapor, carbon dioxide, nitrogen, methane, sulfur dioxide and ammonia.  What is this process called?

• gas

• eruption

• outgassing

• differentiation