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| 2 or more substances mixed together, that CAN be separated |
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| 2 or more substances that are mixed together, but CANNOT be separated |
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| a method of separating substances, where the water becomes gas, leaving the dry ingredients behind. |
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| to use a strainer or filter that lets particles of a certain size through, but not particles that are smaller. Used to separate larger particles from mixtures. |
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| A way to separate liquid from mixtures. Boil the mixture, turning the liquid to gas, but trapping it and cooling it so when it turns into a liquid again, it is pure. |
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| A way to separate mixtures, where the heavier particles go to the bottom, and the lighter particles stay at the top. |
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| rising and falling of the seas, caused by the moon's gravity making the oceans bulge. |
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| To orbit around another object, like the moon orbits the earth |
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| the amount of the moon that can be seen at one time- it changes throughout the month. |
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| the part of the moon you can see is getting bigger. |
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| The part of the moon you can see is getting smaller |
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| when the moon's shadow gets in the way, and you can't see all of the sun |
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| when the earth gets between the sun and the moon, and you can't see all of the moon. |
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| day and night are caused by: |
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| The rotation of the earth |
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| Length of time it takes for the earth to revolve around the sun |
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| length of time it takes for the moon to orbit the earth |
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| an educated guess, based on what you already know |
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| things you can actually be SURE of using your senses- sight, sound, taste, feel, smell. |
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| Things you think is true because of your observations |
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| one of the constantly moving plates that make up the earth: where they come together, earthquakes and volcanoes occur. |
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| dark spots on the sun caused by areas of cooler gas |
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| ionically charged particles that blow out from the sun into space |
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| a scale that measures the force of an earthquake by how much energy is released |
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