Scientific Method

All factors that can change in an experiment.

• variable

• data

• conclusion

• result

Tags

NGSS.MS-PS2-2

A student states that plants grow taller when grown in natural light than they do in artificial light. Which method is the BEST way to determine if the statement is fact or opinion? (BIO.1.c)

• conduct a controlled experiment

• discuss the statement with other students

• ask several teachers their thoughts

• propose a scientific conclusion

Tags

NGSS.MS-LS1-5

The type of variable that responds to the experiment and is what you measure to determine if your hypothesis is true.

• Independent

• Dependent

• Control

• Constant

The type of variable that you change or manipulate in an experiment.  It is what you are testing.

• Independent

• Dependent

• Control

Tags

NGSS.MS-PS2-2

The parts of the experiment that must be kept the same.

• Constants

• independent

• Dependent

Maya designed an experiment to answer the following question: How does the amount of water given to a lima bean seed affect how tall it grows? Multiple answer!!!! Which things does Maya need to keep the same in her experiment?

• the amount of water each plant gets

• the amount of soil

• the type of plant

• the amount of sunlight each plant gets

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Maya designed an experiment to answer the following question: How does the amount of water given to a lima bean seed affect how tall it grows? In this experiment, what variable should Maya CHANGE?

• the amount of water

• the kind of plant

• the type of soil

• the amount of sunlight it gets

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the first step in the scientific method?

• Observation

• Hypothesis

• Experimentation

• Conclusion

Which of the following is a hypothesis?

• Plants need sunlight to grow.

• The plant grew 5 cm in a week.

• Water boils at 100°C.

• The Earth orbits the Sun.

Tags

NGSS.MS-LS1-5

In an experiment, what is the purpose of a control group?

• To test the effect of the independent variable

• To serve as a standard for comparison

• To ensure the experiment is valid

• To measure the dependent variable