Scientific Method - 4th

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 independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

Tags

NGSS.MS-LS2-1

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

Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.

• If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
• Yes.
• No.
• I think the construction paper air plane will fly faster.

Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted.

• recognize a problem
• test the hypothesis with an experiment
• form a hypothesis
• draw conclusions  

Tags

NGSS.MS-LS1-5

Rene grew bacteria from the mouth on special plates in the laboratory.  She placed drops of different mouthwashes on bacteria on each plate.

• recognize a problem
• test the hypothesis with an experiment
• form a hypothesis   
• draw conclusions

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Dana want to know how different are synthetic fibers from natural fibers.

• recognize a problem
• test the hypothesis with an experiment
• form a hypothesis
• draw conclusions

Tags

NGSS.MS-PS1-3

Jose saw bats catching insects after dark.  He asked, “How do bats find insects in the dark?”

• recognize a problem
• test the hypothesis with an experiment
• form a hypothesis
• draw conclusions

Arjulia soaked six different kinds of seeds in water for 24 hours.  Then she planted the seeds in soil at a depth of 1 cm.  She used the same amount of water, light, and heat for each kind of seed.

• recognize a problem
• test the hypothesis with an experiment
• form a hypothesis
• draw conclusions

Tags

NGSS.MS-LS1-5

Kim’s experiment showed that chicken egg shells were stronger when she gave the hen feed to which extra calcium had been added.

• recognize a problem
• test the hypothesis with an experiment
• form a hypothesis
• draw conclusions

Tags

NGSS.MS-LS1-5

What do these steps describe?
1.  Ask a question
2.  Form a hypothesis
3.  Experiment to test hypothesis
4.  Analyze data
5.  Draw a conclusion

• Order of Operations
• Steps of CPR
• Scientific Method
• Essay writing

Tags

NGSS.MS-LS1-5