Scientific Method

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

• data
• theory
• hypothesis
• fact

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

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

• conclusion
• procedures
• materials
• responding variable

Testing a hypothesis often involves a(n):

• answer
• experiment
• problem
• safety check

Tags

NGSS.3-5-ETS1-3

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

Tags

NGSS.3-5-ETS1-3

An experiment is performed on plants to see how different liquids affect plant growth. 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. In this investigation, what are the controlled variables?

• Type of plant, amount of music, and sunlight
• Water, apple juice, milk
• Plant growth

Tags

NGSS.MS-LS1-5

Which is NOT a step in the scientific method?

• Make observation
• Form a theory
• Collect data
• Form a hypothesis

Which word below describes a judgment based on all the information and is based on details and facts.

• Observation

• Inference

• Prediction

• Conclusion

What part of the scientific method is used to test the hypothesis?

• conclusion

• observation

• experiment

• inference

An idependent variable is

• the variable that reacts

• the variable held constant

• the variable that changed on purpose

• the final result of an experiment