What is the moon like?
What are galaxies?
What is the periodic table and elements?
What are mixtures?
Hodge Podge
100

Impacts from space objects have formed

What are craters?

100

Group of star clusters held together by gravity

What is a galaxy?

100

Zn

What is Zinc?

100

Physical combination of two or more substances that blend together without forming new substances

What is a mixture?

100

Altering the size, shape, or state of a substance without forming a new one

What is a physical change?

200

The shape of the moon in the night sky

What is Phase of the moon

200

Spiral galaxy, our home galaxy

What is Milky Way?

200

Copper

What is Cu?

200

Distinct substances that are physically and often visibly separate

What is a heterogeneous mixture?

200

Ag

What is silver

300

Blocks sunlight from reaching the moon

What is a lunar eclipse?

300

Expansion of absorption lines

What is expansion redshift?

300

A chart that shows the elements in order of increasing atomic number

What is the periodic table?

300

Same uniform appearance and composition throughout

What is a homogeneous mixture?

300

Measurement of how much mass fits within a certain volume

What is the density?

400

Earth passes through the moon`s shadow

What is a solar eclipse?

400

Expansion of the universe

What is the big bang?

400

Everything around you is made of this

What is an element?

400

A homogeneous mixture of one substance dissolved in another 

What is the solution?

400

A large hot ball of gas that gives off its own light and is held together by gravity

What is a star?

500

Force of attraction among all objects

What is gravity?

500

Evidence of the big bang has come from

What is background radiation?

500

Xe

What is Xenon?

500

Mixtures of one or more metals with other solids

What are alloys?

500

Object with gravity so strong that even light cannot escape from it

What is a black hole?