1. Is the water in the smaller bowl dirty? Why or why not? 2. What happened to the water in the larger bowl?

3. How did the water get into the smaller bowl? Briefly explain the process.

4. This project simulates a real world process. What does the plastic wrap represent? What does the water in the cup represent?

5. Which two parts of the water cycle are at work?

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

What must be done to breed dogs for a partical trait

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world