Scientific Method and Life Processes

What is a proposed explanation that must be testable through experiments?

• Hypothesis

• Inference

• Observation

• Theory

Tags

NGSS.MS-LS1-5

What is a comprehensive explanation of many facts that has been repeatedly supported?

• Hypothesis

• Inference

• Observation

• Theory

Tags

NGSS.HS-ESS1-2

NGSS.HS-LS4-4

Which of the following terms describes data measured, collected, perceived, or noticed especially during an experiment?

• Hypothesis

• Inference

• Observation

• Theory

Tags

NGSS.MS-PS1-2

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

• responding variable

• manipulated variable

• data

• control group

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

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, the manipulated/independent variable is ...

• The type of plant

• The amount of sunlight

• The type of music

• The type of liquid

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

• heart rate

• type of exercise

• amount of exercise

• time of day exercise occurs

On what axis should the manipulated/independent variable always be?

• X

• Y

Susan said, “If I fertilize my geranium plants, they will blossom.” Which step of the scientific method is this?

• recognize a problem

• test the hypothesis with an experiment

• form a hypothesis

• draw conclusions

During this step of the scientific method, a scientist would gather background information. 

• Hypothesis
• Research
• Observation
• Experiment 

Tags

NGSS.K-ESS3-2