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Grace Science
| Question | Answer |
|---|---|
| a physical combination of two or more substances | mixture |
| a mixture that blends | solution |
| part of a solution that dissolves the solute; for example water | solvent |
| part of solution in smaller amount that dissolves; for example lemonade powder | solute |
| amount of substance that is dissolved | concentration |
| changing matter | chemical change |
| describe how you would separate the leaves out of a sample of water from a river or stream. What tool could you use to help you? | you would use a net |
| If you wanted to make a mixture but NOT a solutions which two of the following ingredients would you mix together, and why? Water, salt, Kool-Aid, milk, syrup, or marshmallows. | Marshmallows and salt because you can pick them apart |
| If you want to create a solution that is more concentrated you need to add more _____. (Use the science terms: solute, solvent, etc.) | solute/powder |
| If you make some Kool-Aid and it turns out to be very light in color, we would say that your Kool-Aid is _____. | less concentrated/diluted |
| Give an example of a mixture and a solution that we used most often in class. | mixture-chex mix Solution-lemonade |
| When you want to separate particles of sand by size into coarse, fine, and extra fine, what process could you us? | filter paper-sifting extra small screen |
| What affects the dissolving rate of sugar the fastest, for example what can you do to the water or the sugar to make it dissolve the fastest? | heat the water |
| The universal solvent is _____ | water |
| If we wanted to separate aluminum nails and steel nails, what tool could we use? | a magnet |
| List four examples of ways that you can tell that a chemical change has taken place. | a. color change b. temperature change c. signs of turning into gas d. rust |
| a mixture is different from a solution, in that the parts of a mixture keep their own _____. | properties |
| If you wanted to dissolve a sugar cube faster, should you keep it as one piece or break into smaller particles? | break into smaller pieces |
| In a pitcher of Kool-Aid what is the solvent, and what is the solute? | solvent-water solute-powder |
| what could you use to separate the inks that are usied in a marker? | you draw a black line on a coffee filter and then run it under water and then the ink separates/chromotography |
| if you were to make a glass of lemonade that was way to strong, what could you do to make it taste better? (use science terms) | add more water/solvent |
| explain why the following statement is true: All solutions are mixtures, but not all mictures are solution. | Solutions are a type of micture, but not all mixtures are solutions because you can separate the parts in a mixture but not in a solution. |
| cereal and milk...mixture or solution? | mixture |
| the items in your pencil box...mixture or solution | mixture |
| a sprite drink...mixture or solution? | solution |
| soap in the bathtub...mixture or solution? | solution |
| a salad...mixture or solution? | mixture |
| lemonade powder and water...mixture or solution? | solution |
| You have a mixture of salt, flour, and gravel. Design a three step plan to separate each part of the mixture re back out into its original substances | Step 1. Pour the things on a screen so the water can go through Step 2: If step one doesn't work then you put it in a filter and let the water drain through Step 3: If you can't get it apart then let the water evaporate. |
Created by:
jaimevc99