Molecules
Atoms
Density
Elemental Properties
General Science.
100

H2O

What is the chemical formula for water.

100

All matter is made of these.

What are atoms?

100

The formula for density.

what is Density = Mass/Volume.

100

The three common states of matter.

What is liquid, solid and gas?

100

The third planet form the sun.

What is earth?

200

CO2

What is the chemical formula for carbon dioxide.

200

The particle that gives the atom its atomic number.

What are protons?

200

The density of water.

What is 1g/ml

200

When liquid turns into a gas.

What is evaporation?

200
The number of chromosomes a human has.

23 pairs for 46 total.

300

NaCl

What is the chemical formula for salt?

300

This particle can be given away or shared. Has a negative charge.

What is an electron?

300

The density of a substance with a volume of 23ml and a mass of 67 grams.

What is 2.9g/ml
300

When gas turns into a liquid.

What is condensation?

300

The instructions for all life.

What is DNA?

400

C6H12O6

What is the chemical formula for Glucose

400

When an atom has a different number of neutrons in its nucleus that the standard atom. 

What is an isotope?

400

The density of an object measuring 8 cm X 17 cm X 12 cm and a mass of 2145 grams.

what is 1.3 g/cm3

400

When energy or electricity can pass through a substance.

What is conductive?

400

The mysterious substance that makes up most of the universe.

What is Dark Matter?

500

H2O2

What is the chemical formula for hydrogen peroxide?

500

Carbon was formed when three of this element were fused together during nuclear fission. 

What is helium?

500

If water and rubbing alcohol (0.79g/ml) are put into a container together, this would float on the top.

What is rubbing alcohol?

500

The ability to be bent or hammered into a shape.

What is ductile?

500

The chromatic make-up of the 23rd chromosome that for females, and the 23rd chromosome make-up for males. 

What is XX and XY?