Matter
Chemistry
Big Bang
Stars
Solar System
100

Anything that has a mass and volume.

What is matter?
100

The basic building blocks of all matter.

What are atoms?
100

What is the evidence that the universe is expanding?

What is redshift?

100

Stars are born in clouds of gas and dust called _____________.

What is nebula?

100

Closest planet to the Sun.

What is Mercury?

200
Has a definite volume and shape.
What is a solid?
200

The horizontal rows on the Periodic Table of Elements.

What are Periods?

200

Radio waves have the ______________ frequency.

What is lowest?

200

A star pushes out with nuclear fusion and crashes in with this.

What is gravity?

200

Largest planet

What is Jupiter?

300

No definite volume or shape.

What is gas?

300

The vertical columns on the Periodic Table of Elements.

What are groups/families?

300

This causes a sudden change in pitch when a siren passes by.

What is the Doppler Effect

300

Massive stars when the go through a violent explosion.

What is a supernova?

300

Dark areas on the sun's surface that mark magnetism.

What is are sunspots?

400

Transition from liquid to solid.

What is freezing?

400

This is what makes elements different.

What is the number of protons in the nucleus.

400

Violet has the shortest wavelengths and the ____________ frequency of the visible light.

What is highest?

400

After our sun passes through the planetary nebula phase it will run out of energy and become this.

What is a white dwarf?

400

The force that holds the planets in orbit around the sun.

What is gravity?

500

Transition from gas to liquid?

What is condensation?
500

The particles of an atom that move around the nucleus and have a negative charge.

What are electrons?

500

A straw in water looks bent or broken due to light moving slower in water than air.  This is called ____________________.

What is refraction?

500

Some massive stars after they explode instead of turning into neutron stars can turn into this.

What are Black Holes?

500

The planets the asteroid belt is inbetween.

What are Mars and Jupiter?