Big Bang Theory
Stars and galaxies
Density
Physical and chemical changes
Solar system
100

what is the big bang theory

That the universe started from a single point and it keep's on expanding

100

What galaxy are we in

Milkyway

100

What is the density of water?

1gram
100

Is melting ice a physical or a chemical change?

Physical

100

What is the largest planet in our solar system?

Jupiter

200

how many years ago did the universe form

13 t 14 billion years ago

200

What does a redshift mean

When galaxy's and star's are moving away from us

200

what is the formula for density?

D=M/V

200

A change where the substance stays the same is called?

Physical change

200

What planet is known as the red planet?

Mars

300

What is a cossmic microwave background radiation?

The left over radiation from the Big Bang.

300

What is a supernova

A supernova is when a star explodes

300

How will u determine the volume of each object?

Length x width x height

300

Name 3 signs of physical change?

Size,shape and state

300

what is the name of the planet with the most moons in our solar systems

Jupiter with 101 moons

400

what is the singularity in the big bang theory?

The Big Bang singularity is the theoretical starting point of the universe.

400

What is the force that holds stars and galaxies together?

Gravity

400

What is the density of the Sun?

1.41g/cm^3
400

Tearing paper is what type of change?

Physical

400

What is the name of the force that keeps plants in orbit around the sun?

Gravity

500

What is Hubble's law?

galaxies are moving away from Earth and the farther a galaxy is the faster it recedes.

500

How is a black hole created?

when massive stars ran out of nuclear fuel at the end of their lives so  it collapse under their own gravity.

500

What is the density of Earth?

5.51g/cm^3

500

Does a chemical change create a new substance

Yes

500

What is the name of the plant that is known for its rings?

Saturn

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