What is the name of the most common theory scientists believe describes the origin of the universe?

• Steady state theory

• Existence theory

• Big Bang theory

• Evolution theory

Tags

NGSS.HS-ESS1-2

Which planet has the largest pull of gravity on its surface?

• Earth

• Mars

• Jupiter

• Saturn

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Patterns formed by stars in the sky are called ...

• Constellations

• Satellites

• Planets

• Solar systems

Tags

NGSS.MS-ESS1-1

Which is the correct order from largest to smallest?

• Universe, Solar system, Galaxy, Star, Earth, Moon

• Universe, Solar system, Star, Earth, Moon, Galaxy

• Universe, Galaxy, Solar system, Star, Earth, Moon

• Universe, Galaxy, Solar system, Star, Moon, Earth

Tags

NGSS.MS-ESS1-3

_______________ (wavelength decreases – short wavelength) Objects move towards the observer.

Tags

NGSS.HS-PS4-1

_______________ (wavelength increases – long wavelength)

Objects move away from the observer.

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

For which of the following pairs of objects would you use a light-year to measure the distance between them?

• Earth and Mars

• Earth and Sun

• Sun and Neptune

• Betelgeuse and Rigel

In 1543 he developed the Heliocentric Model, disproving Ptolemy & the Geocentric Model.

• Eratosthenes

• Pythagoras

• Copernicus

• Ptolemy

How do astronomers use light to learn about out universe?

Answer explanation

By breaking down the light from celestial objects into its component colors, astronomers can analyze the spectrum to determine the object's composition, temperature, density, and motion. This helps in identifying the chemical elements present, their relative abundances, and whether the object is moving towards or away from Earth

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

An ellipse is drawn around two points called

• aphelion

• perihelion

• foci

• axis