Astronomy Review

Which of these is a valid (testable) hypothesis?

• Cinnamon Toast Crunch is the best breakfast cereal.

• Giraffes have long necks.

• If it's Monday then you have to be at school.

• If Bounty is the "quicker picker upper," it will absorb water faster than the store brand paper towel.

Tags

NGSS.MS-LS1-5

What is a scientific theory?

• An explanation that hasn't been tested

• A guess about why things happen

• A well-tested explanation that can be used to make predictions

• An observation about something that happens in nature

What part of the electromagnetic spectrum has the highest energy?

• Gamma rays

• Visible light

• Microwaves

• Ultraviolet light

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-1

What color of visible light has the longest wavelength?

• Red

• Yellow

• Green

• Blue

Which of these is in order from BIGGEST to SMALLEST?

• Universe, galaxy, solar system, Earth

• Galaxy, universe, solar system, Earth

• Solar system, universe, Earth, galaxy

• Universe, solar system, galaxy, Earth

The same amount of microwave radiation can be observed coming from everywhere in the Universe. What does this "cosmic background radiation" show?

• Long ago, everything in the Universe was the same temperature.

• Empty space can cause radiation.

• Long ago, the Universe was expanding.

• The Big Bang happened a short time ago.

Tags

NGSS.HS-ESS1-2

Redshift and blueshift help scientists determine the direction and speed that other galaxies are moving. Which of these sentences is true?

• Redshifted galaxies are moving closer and blueshifted galaxies are moving away.

• Redshifted galaxies are moving slower and blueshifted galaxies are moving faster.

• Redshifted galaxies are moving away and blueshifted galaxies are moving closer.

• Redshifted galaxies are moving faster and blueshifted galaxies are moving slower.

Tags

NGSS.HS-PS4-3

Wavelength is the distance between two peaks of a wave. Which of the 3 waves in the picture has the biggest wavelength?

• The low frequency wave

• The medium frequency wave

• The high frequency wave

• The picture doesn't show wavelength

Tags

NGSS.MS-PS4-1

If an astronaut threw a ball in outer space, what would happen to the ball?

• It would keep moving until it hit something else

• It would fall to Earth

• It would stop moving as soon as the astronaut let go

• It would slow down and stop, but not right away

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If two astronauts pushed each other, what would happen?

• Only the smaller astronaut would be pushed backwards

• Neither astronaut would move backwards

• Both astronauts would be pushed backwards

• Only the bigger astronaut would be pushed backwards

Tags

NGSS.MS-PS2-1