| What's in a Name? | ||
| #1 | The smallest particle of matter that has all the characteristics of an element |
Atom |
| #2 | A pure substance |
Element |
| #3 | Anything that has mass and takes up space |
matter |
| #4 | the ability of a substance to be dissolved by another substance |
solubility |
| #5 | the subatomic particles that make up an atom |
protons, neutrons, and electrons |
| Because | ||
| #1 | causes a substance to change phases |
changes in energy |
| #2 | causes a substance to sink or float in another substance |
density |
| #3 | causes atoms and molecules to take up more space and move faster |
adding heat energy |
| #4 | ____ and ____ can cause the solubility of a substance to change |
temperature and pressure |
| #5 | causes iron to rust |
chemical change (chemical reaction of iron, water, and oxygen) |
| What's the point? | ||
| #1 | What is the point at which a liquid turns into a solid? |
freezing point |
| #2 | where a solid turns to a liquid |
melting point |
| #3 | when particles leave the liquid phase and become a gas |
boiling point/ vaporization point |
| #4 | The temperature at which water both freezes and melts |
0* Celsius |
| #5 | The point at which the temperature of melting water will rise above 0* Celsius |
When every last molecule has converted to liquid |
| Property Lines | ||
| #1 | This change doesn't change the identity of a substance |
physical change |
| #2 | If gas, heat or light is produced, it is a ____ change. |
chemical |
| #3 | Density, solubility, melting point, color, and odor are all __ properties. |
Physical |
| #4 | When two substances react with each other and create a new substance. |
chemical change |
| #5 | Making toast is this type of change. |
Chemical |
| Picture this! | ||
| #1 |
Pure Substance or Mixture? |
Pure substance (element) |
| #2 |
Solid, liquid, or gas? |
Liquid |
| #3 |
|
Mixture |
| #4 |
Chemical or Physical? |
Chemical |
| #5 |
Chemical or Physical? |
Physical |
| Final Question | |||||||||||||||||||||
If you were to put the following substances in a graduated cylinder, in what order would they layer? (Top to bottom)
|
B, A, D, C |
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