| A | B | 
|---|
| Microscope | An instrument that makes small objects appear larger | 
| Telescope | An optical instrument for making distant objects appear larger and therefore nearer | 
| Frequency | Number of vibrations produced in one second | 
| Range | Difference between the smallest and largets values in a data set | 
| Manipulate | To handle, manage, or use skillfully | 
| Flammable | Easily set on fire, combustible | 
| Predict | To develop a statement of what you think will happen under certain conditions based on observations or research | 
| Accurate | Free from error or defect; consistent with a standard, rule, or model; precise; exact | 
| Meniscus | Curved surface of a liquid, such as water, where it meets the sides of its container | 
| Prediction | A guess about what will happen under certain conditions, that is based on observation and research | 
| Density | Amount of mass in a given volume of a substance or object; found by dividing mass by its volume | 
| Volume | Amount of space an object or substance takes up; measured in liters or cubic centimeters | 
| Mass | Amount of matter in something; measured in grams | 
| Constant | Not changing or varying; uniform; regular; invariable | 
| Precise | To be definite and exact when measuring or recording | 
| Impact | The striking of one thing against another; forceful contact; collision | 
| Topographic | Features of a land area caused by difference in elevation | 
| Interpret | To give or provide the meaning of; explain | 
| Initial | At the beginning, first | 
| Sequence | The following of one thing after another, a connected series | 
| Determine | To conclude as after reasoning and/or observation | 
| Represent | To serve as an example or specimen of; to describe in words | 
| Limitation | A limiting condition; restrictive weakness; lack of capacity; inability | 
| Model | Simplified version of some part of the natural world that helps explain how it functions | 
| Variable | A condition that is changed in order to find out the effect of that change | 
| Infer | To use avaiable evidence to develop an explanation, not direct observation | 
| Conclusion | A result, issue, or outcome |