The Big Bang Theory

Front

Most scientists believe the Big Bang Theory explains which of the following questions? How our planets and moons formed, How our universe began, How the sun turns hydrogen into helium, How fast light travels through space

Back

How our universe began

Front

Which statement is true? Options: The galaxies are moving toward us. The galaxies are moving away from us. The universe remains static or unchanged in motion. None of the above

Back

The galaxies are moving away from us.

Front

Light emitted from a star or galaxy can be separated into a band of colors, called a ________.

Back

Spectrum

Front

How old do scientists think the Universe is?

Back

13.8 billion years old

Front

Where is the center of the universe located?

Back

There is no center of the universe.

Front

Which word best describes a singularity?

Back

Dense

Front

Which of the following is NOT true about the Big Bang Theory? Options: It is the scientific explanation of how life began on Earth and evolved over time., It is the scientific explanation for the origin of the universe., It states that the universe expanded from a single point and is still expanding today., It states that the universe used to be much hotter and smaller.

Back

It is the scientific explanation of how life began on Earth and evolved over time.

Front

What forces cause a planet to orbit?

Back

gravity and inertia

Front

What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear? Options: They will stop moving and become static., They will stop spinning., They will fly away in straight lines., They will start moving toward the Sun

Back

They will fly away in straight lines.

Front

Which force in the Solar System is similar to the tension in the string?

Back

Gravity