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substance,mix,solut
7th grade science
Question | Answer |
---|---|
What is a substance? | It is matter that has a fixed composition. |
What is an element? | An example of pure substance. |
What can change a substance into one or more different substance? | A chemical process such as burning or reacting with other chemicals. |
What is a mixture? | A combination of substances that aren't bounded together and can be seperated by physical process. |
What is a solution? | Two or more substances evenly mixed on a molucular level but not bonded together. (AKA homogenous). |
What is a Solute? | The substance that disssolves in a solution. |
What is the solvent? | The substance that dissolves the solute. |
What is percipitate? | A solution that falls out of solutions. |
Solutions can be made of different ____________ of solid liquids and gases. | Combinations = ____________ |
In a ______ solution the solute can be another liquid solid or gas. | Liquid = _______ |
Salt water and suger water are ____________ solutions. | Liquid-solid = ____________ |
Carbinated beverages are __________ solutions. | Liquid-gas = ___________ |
Viniger is a _____________ solution made of water and acetic acid. | Liquid-liquid = _____________ |
What is Alloy? | A solid-solid solution made from two or more metals, (sometimes nonmetal elements are included in an alloy.) |
What is brass? | An alloy of copper and zinc. |
What is steel? | An alloy of iron and carbon, which makes the steel stronger and more flexible. |