All molecules in a crystal have this pattern in common.
What is repeating?
This is a change of appearance, but the change does not make a new, different substance.
What is a physical change?
These are the positive parts in the center of an atom.
What are protons?
This is the first element on the Periodic Table.
What is hydrogen?
Mars lacks this which makes it difficult for a helicopter to gain lift.
What is atomosphere?
All snowflakes have this many sides.
What is six?
This is a change of a material that creates an entirely new substance. It is not reversable.
What is a chemical change?
These are the negative parts of an atom.
What are electrons?
There are this many elements on the Periodic Table.
What is 118?
This unit of measure does not change from one world to another.
What is mass?
This is the crystal shape of salt and sugar.
What is a cube?
This hot element can cause a chemical change to a marshmallow.
What is fire?
These are the neutral parts of the center of an atom.
What are neutrons?
This is the position on the Periodic Table placed because of the number of protons in the atom.
What is the Atomic Number?
This unit of measure changes from one world to another, depending on gravitational forces.
What is weight?
This hot fluid can cause dehydration and the formation of crystals.
What is magma?
What is tearing?
These are the special outer ring electrons which bond with other atoms.
What are valence electrons?
This is the nickname given to Dimitri Mendeleev as he created the modern Periodic Table.
What is the Father of the Modern Periodic Table?
This is what changes, making you heavier, if you traveled to Jupiter.
What is weight?
All crystals are not minerals but...
What are all minerals are crystals?
What is a physical change?
To find this, you can add the number of protons and neutrons together. Electrons don't matter too much.
What is atomic weight?
There are 18 of these and they run vertically across the Periodic Table.
What are periods?
This is the force that keeps objects pressed towards the center of Earth.
What is gravity?