Unit 1- matter Study Guide

Heterogeneous
A mixture that has different matter that is spread out unevenly.
Colloid
A Heterogeneous liquid or gaseous unclear mixture. Passes the Tyndall test.
Homogeneous
A mixture that has particles that are unevenly spread out.
Compound
A pure substance made from two or more different kinds of atoms bonded together.
Suspension
Large particles that settle into layers and do not stay mixed together with a liquid.
Substances
Pure matter that cannot be physically separated.
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Element
A pure substance that is made up of one kind of atom.
Solution
Is a Homogeneous liquid or gaseous mixture that is clear.
Mixture
An unpure matter that can be physically separated.
Tyndall Test
Unclear liquid mixture has a positive Tyndall test (light can be seen passing through the liquid mixture).
Salt (NaCl)
Compound
Oxygen (O)
Element
Aluminium (Al)
Element
Carbon Dioxide (CO2)
Compound
Colloid Ex:
Honey
Solution Ex:
Milk
Suspension Ex:
Oil and water
Solid to Gas Phase Change Name
Sublimation
Gas to Solid Phase Change Name
Sublimation
Gas to Liquid Phase Change Name
Condensation
Liquid to Solid Phase Change Name
Freezing
Solid to Liquid Phase Change Name
Melting
Solid to Liquid Matter (Gaining vs. Losing)
Gaining
Solid to Gas Matter (Gaining vs. Losing)
Gaining
Gas to Liquid Matter (Gaining vs. Losing)
Losing
Liquid to Solid Matter (Gaining vs. Losing)
Losing
Liquid to Gas Matter (Gaining vs. Losing)
Gaining
Chemical Change Signs
1. Bubbles/Fizzing (Gas)
2. Color Change
3. Light
4. Burning/Smoke
5. Odor
6. Temp. Change
Physical vs. Chemical Change: Sharpening a Pencil
Physical
Physical vs. Chemical Change: Food Rotting in your Refrigerator
Chemical
Physical vs. Chemical Change: Adding Sugar Tea (Dissolving)
Physical
Physical vs. Chemical Change: Rusting of a Bicycle (Rusting)
Chemical
Physical vs. Chemical Change: Melting Copper (Temp.)
Chemical
Physical vs. Chemical Change: Burning Wood (Temp.)
Chemical
Physical vs. Chemical Change: Plant Growing
Chemical
Physical vs. Chemical Change: Water Drops Forming Inside of a Heated Graduated Cylinder
Physical
Physical vs. Chemical Change: Respiration
Physical