Show:
Chemicals
Atoms
States of Matter
Changes
Chemistry Connections
100
This names everything that takes up space and has mass.
What is matter?
100
These are the three basic parts of an atom.
What are protons, neutrons, and electrons?
100
Substances in this state of matter have a definite shape and definite volume.
What is a solid?
100
Molding clay is an example of this kind of change.
What is a physical change?
100
All cell parts are made of these.
What are atoms.
200

What do we call sour liquids that often react with other substances?

Acids

200
This atomic particle has a positive charge.
What is a proton?
200
Substances in this state of matter have a definite volume, but not a definite shape.
What is a liquid?
200
A change in state of matter is this type of change.
What is physical change?
200

What is the law of conservation of matter?

Matter can neither be created nor destroyed.

300
You can measure and identify a substance using these.
What are physical properties?
300
This atomic particle does not have a charge.
What is a neutron?
300
Substances in this state of matter do not have a definite shape or volume.
What is a gas?
300
You make this kind of change when you bake bread.
What is a chemical change?
300
The digestion of food is this kind of change.
What is chemical change?
400

Elements are made of this many kinds of atoms.

What is one?

400
This atomic particle has a negative charge.
What is an electron?
400
In this state of matter, molecules are tightly packed together.
What is a solid?
400
The chemicals in a substance change in this kind of change.
What is chemical change?
400

Give 4 clues that a chemical change has occurred.

1. Produces light   2. Releases heat   3. Releases gas   4. Produces odor     5. New substance formed 

500

Why is the chemical symbol for water H20?

It has 2 hydrogen atoms and 1 oxygen atom bonded together.

500
A tool that organizes atoms by atomic mass.
What is the Periodic Table?
500
A change in this can cause a change in state.
What is temperature?
500
A physical change does NOT change this.
What is the chemical make-up of a substance.