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Matter
| Question | Answer |
|---|---|
| What is matter? | Is anything that has mass and takes up space (volume). |
| What is matter made of? | Is made up very small particles too small to be seen. |
| What are the states of matter? | solid, liquid, and gas |
| Which state of matter does not have a definite volume? | Gas |
| Which state of matter has a definite shape? | Solid |
| Which state of matter has particles that move away from each other, but not too far away from each other? | liquid |
| How do you measure the volume of matter using a graduated cylinder? | Read the water level from the bottom of the meniscus |
| What is mass? | The measurement of the amount of matter something contains |
| What is weight? | The measurement of the pull of gravity on an object |
| How do you measure the volume of a rectangular prism or cube? | Volume = Length x width x height |
| I have a definite volume and my shape changes according to the shape of container. My particles can move apart from each other and flow from place to place. I am | liquid |
| I have no definite shape or volume but can take on the shape of a container. My particles are spaced far a part and move wildly around. I am? | gas |
| What is a mixture? | Two or more substances mixed together that can be separated |
| What is an example of a mixture of solids? | Salad, trail mix, concrete, and etc. |
| What is an example of a mixture of a solid and a liquid? | Salt water, tea, mud, and etc. |
| What is an example of a mixture of liquids? | Oil and vinegar, salad dressing, and etc |
| What is an example of a mixture of liquids and gases? | Carbonated soft drinks |
| What is a heterogeneous mixture? | A mixture made up of different substances that maintain their physical properties |
| What is a homogeneous mixture? | A mixture where the substances are equally mixed to look one substance |
| What tools could you use to separate a solid from a liquid? | Screen, funnel with coffee filter, or evaporation |
| What tools could you use to separate a solid from a solid? | Sifter, magnet |
| What is filtration? | Separating a solid from a liquid using a filter |
| What is sifting? | Separating smaller solids from larger ones using a sifter. |
| What is magnetic attraction? | Separating magnetic materials from a mixture. |
| What is floatation? | When solids float to the top of a mixture and then skimmed off the surface. |
| What does it mean when substances in a mixture maintain there physical properties? | looks, acts, or feels different but is the same substance. |
| How is an ice cube an example of a physical change? | Because it is still water just in a solid state. |
| What is a solution? | A mixture where substance are equally mixed to look like one |
| What is a solvent? | The substance that does the dissolving |
| What is a solute? | The substance that dissolves |
| What is the universal solvent? | water |
| What is the solvent in salt water? | water |
| What is the solute in salt water? | salt |
| How could you separate salt water? | evaporation |
| Why is a solution a mixture? | Because you can separate it. |
| What tool would you use to separate iron from a mixture? | magnets |
| When does a solute dissolve in a solvent at a faster rate? | When the water temp is hot, particle size is smaller and rate of stirring is increased |
| When is a solution more concentrated? | When there is more solute than solvent, or when there is less solvent than solute |
| Why is a solution a mixture? | Because it can be seperated |
| What type of mixture is a solution? | Homogeneous |
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