click below
click below
Normal Size Small Size show me how
Fall review
Question | Answer |
---|---|
Which metric unit is used for mass? | grams |
Which metric unit is used for length? | meters |
Which metric unit is used for volume? | liters |
What numbers are in the pH scale? | 0 - 14 |
Which pH values are used for acids? | 0 - 7 |
Which pH values are used for bases? | 7 - 14 |
Which pH values are used for neutral substances? | 7 |
How can you tell that a physical change has occurred? | the material is the same |
How can you tell that a chemical change has occurred? | a new substance or material is made |
What are reactants? | the substances or materials used to start a chemical reaction |
What are products? | the substance or materials that are made in a chemical reaction |
What is an independent variable? | the part that the scientist changes |
What is a dependent variable? | the data or information collected in the experiment |
What does the term homogeneous mean? | the same all over |
What does the term heterogeneous mean? | different materials mixed together |
Define solute. | the substance added to a liquid |
Define solvent. | the liquid that other substances are added to |
Define malleable. | can be hammered flat or into sheets |
Define ductile. | can be stretched into wire |
Define conductive. | allows electricity to flow through |