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MATTER #2
RETAKE
| Question | Answer |
|---|---|
| Is Air matter? Why or why not? | Yes, beacuse air is made up of atoms. |
| Which of the following describes the motion of molecules in a gas of liquid water? | The molecules are all always moving. |
| In which state of matter are the molecules spaced farthest apart? | A gas |
| In which state of matter is the connection between the molecules the strongest? | A solid |
| What does the Kinetic Theory describe? | The motion of particles in matter |
| What causes molecules and atoms in matter to move around more? | Heating the matter |
| What phase of matter has definite shape and definite volume? | Solid |
| What state of matter has a definite volume, but no definite shape? | Liquid |
| What is ionized gas with equal amounts of positively charged nuclei of atoms and negatively charged electrons? | Plasma |
| What best describes melting? | When heat is added to a solid to make a liquid |
| What is it called when a solid changes to a gas? | Sublimation |
| What is an example of plasma? | Northern Lights |
| When particles in a solid or a liquid move faster what happens? | They move slightly further apart which is called expansion |
| What is the smallest type of particle that can not be broken down into any other substance. | Element |
| Damitri Mendeleev invented a syatem to organize the known elements which is called what? | Periodic Table |
| What is it called when two or more elements combine chemically | Compound |
| A formula can be written to describe the components of a | Compound |
| What is a combination of many different elements not chemically combined? | Mixture |
| Anything that takes up space and has mass is defined as what? | Matter |
| What is the smallest particle in a compound that is made up of two or more elements? | Molecule |
| Salsa | Heterogeneous Mixture |
| Milk | Homogeneous Mixture |
| NaCl | Compound |
| O | Element |
| Ag | Element |
| CuO | Compound |
| If liquid water were boiled into water vapor, what would best describe the change? | physical change |
| If you ground up a large block of salt into smaller pieces of salt, what would best describe the change? | physical change |
| If you bake cookie dough into cookies, what would best describe the change? | chemical change |
| If two clear colorless liquids are poured together and they begin to bubble and smoke, what would best describe the change? | chemical change |
| The color, shape, density, melting point, and boiling point of a substance would be described as | Physical properties |
| Change in smell | chemical change |
| Melting | physical change |
| Dissolving | physical change |
| Produces heat | chemical change |
| Boiling | physical change |
| Cutting | physical change |
| Liquid turns cloudy | chemical change |
| Produces bubbles | chemical change |
| Breaking | physical change |