Intro to Biology plus Water

A testable explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

Which of these steps in the scientific method would occur first?

• Form a hypothesis

• Reach a conclusion

• Analyze Data

• Perform an experiment

Which of these steps in the scientific method would occur last?

• Form a hypothesis

• Reach a conclusion

• Analyze Data

• Perform an experiment

If a substance dissolves in water, that substance is

• Polar

• Non-polar

• Metal

• Chiral

If a substance does not dissolve in water, that substance is

• Polar

• Non-polar

• Metal

• Chiral

Polar molecules are

• hydrophilic

• hydrophobic

• both

• neither

Non-polar molecules are

• Hydrophilic

• Hydrophobic

• Both

• Neither

Water molecules sticking to other water molecules

• Adhesion

• Cohesion

• Chirality

• Anabolism

Water molecules sticking to non-water molecules

• Adhesion

• Cohesion

• Anabolism

• Chirality