Scientific Method & CER Test Study Guide

a series of steps used by scientists to solve a problem or answer a question is _______________

• scientific method

• recipe

• metric system

this variable in an experiment is the one being CHANGED by the scientist

• answer

• independent variable

• dependent variable

testing a hypothesis often involves a(n) _____________.

• answer

• experiment

• safety check

the summary at the end of an experiment that explains the results

• conclusion

• procedure

• materials

what is a hypothesis?

• the right answer to an experiment

• the wrong answer to an experiment

• an educated guess

the name of the information that you get from your experiment (organized into charts, tables and graphs).

• conclusion

• data

• variables

an experiment to see how different liquids affect plant growth is preformed. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. What is the independent variable? (What is different)

• type of plant

• the amount of sunlight

• the type of liquid

dependent variable means

• the scientist controls what to test

• educated guess

• what is being measured

if you increase the amount of spinach you eat, then you will increase the iron in your blood. What's the dependent variable? (What are we measuring)

• increase the amount of iron in your blood

• spinach you eat

if I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable? (what are we measuring)

• riding a bike or walking

• how fast you get to school