Scientific Method Review

What is an observation?

• Something you measure or detect with your senses.

• The way you feel about something

• An educated guess

• A theory that has been disproved

An inference is based on:

• both scientific observations and known facts

• known facts

• scientific observations

• a rumor you started in the bathroom

What is a hypothesis?

• An educated prediction or answer to a testable question

• A random guess

• An observation based on feelings or emotions

• 

After the data is analyzed the hypothesis is stated as correct or incorrect in the __________

• conclusion

• experiment

• hypothesis

• table of contents

This variable in an experiment is the one being changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Testing a hypothesis often involves a(n):

• answer
• experiment
• problem
• safety check

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• 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?

• 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?

• True
• How fast you get to school
• Riding a bike or walking
• False

If I study for my scientific method test, then I will have a better test score. What is the dependent variable?

• Scientific Method
• Studying
• Independent variable
• Test score