Show:
Periodic Table of Elements
Atoms
States of Matter
Compounds, Elements, and Mixtures
Physical or Chemical Change?
100
This is the symbol for oxygen
What is O
100
This is the central core of an atom.
What is the nucleus.
100
A state of matter that has a definite shape and a definite volume.
What is a solid.
100
This is a mixture in which pure substances are unevenly distributed throughout the mixture (you can see the different parts).
What is heterogeneous mixture.
100
Melting Ice
What is a physical change.
200
This is the symbol for carbon
What is C
200
These are the small particles in the nucleus of the atom, with no electrical charge.
What are neutrons.
200
A state of matter with no definite shape or volume.
What is a gas.
200
This is formed when elements chemically combine.
What is a compound.
200
Combining vinegar and baking soda.
What is a chemical change.
300
This is the symbol for gold
What is Au
300
These are the small, positively charged particles in the nucleus of an atom.
What are protons.
300
A state of matter that has no definite shape but has a definite volume.
What is a liquid.
300
This is formed when two or more substances are put together, but are not chemically combined.
What is a mixture.
300
Baking a cake.
What is a chemical change.
400
This is the symbol for iron
What is Fe
400
These are the tiny, negatively charged particles that move around the nucleus of an atom.
What are electrons.
400
A gas-like state of matter consisting of a mixture of free electrons and atoms that are stripped of their electrons.
What is plasma.
400
This is a pure substance that cannot be broken down into any other substance by chemical or physical means.
What is an element.
400
Breaking eggs into a bowl.
What is physical change.
500
This is the symbol for potassium
What is K
500

When atoms combine, they form larger particles. (two or more of the same OR different atoms) 

What are molecules.

500

This is when a solid goes straight to a gas.

What is sublimation.

500
This is the molecule that appears most in our world.
What is water.
500
Slicing bread, and then toasting it.
What is a physical and a chemical change.