Mixtures and Compounds
Peas and Carrots
What is a mixture?
Repeating in a pattern,
What does periodic mean?
Cutting a piece of paper.
What is a physical change?
These are classified in the periodic table according to their properties.
What are elements?
Atom
What is the smallest particle of an element?
Rust
What is a compound?
The elements are classified according to these.
What are properties?
Baking a cake.
What is a chemical change?
Hydrogen and Oxygen
What elements make up water?
What part of atoms have a negative charge?
Trail Mix
What is a mixture?
Helps scientists to observe patterns.
Carving a duck out of wood.
What is a physical change?
The smallest particle of an element.
What is an atom?
The particles move around more rapidly.
What happens when heat energy is added to a solid.
The matter itself remains the same
What is the result of a physical change?
Helps scientists arrange and organize new elements when the are discovered according to their patterns.
What is the periodic table?
Rust forming on your bike that was left out in the rain.
What is a chemical change?
Some are named for the scientist who discovered them.
What are elements?
The change of a liquid to a gas.
What is evaporation?
The result of a chemical change.
What is a compound?
This is made up of only one type of matter.
What is an element?
Chemical Reaction
What is another word for chemical change?
Carbon, Oxygen and Hydrogen
What elements make up sugar?
Proton
What part of the atom has a positive charge?