Across
- 4. Our lab yesterday investigated paper towel and how well it absorbed _______.
- 5. Every investigation begins with a ___________ to be explored.
- 6. The __________ is a list of steps to follow to carry out an experiment accurately.
Down
- 1. In a ______ test, usually just ONE variable is changed and all other variables are kept the same.
- 2. ________ precautions are often included in a science lab to ensure no one gets hurt and nothing gets damaged.
- 3. ________ are the factors that can be changed in an investigation (for our investigation we changed the brand of paper towel).