2019-2020 9th grade Finals Study Questions

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Which is NOT a step in the scientific method?

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

Tags

NGSS.MS-PS1-2

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

• data
• theory
• hypothesis
• fact

Tags

NGSS.HS-PS1-2

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

• dependent variable
• independent variable
• data
• control group

Tags

NGSS.MS-PS2-2

Testing a hypothesis often involves a(n):

• answer
• experiment
• problem
• safety check

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS2-2

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.

The name of the information that you get from your experiment (you organize it into charts and graphs).

• observations
  conclusion
• data
• variables
• hypothesis

Tags

NGSS.MS-ETS1-3

NGSS.MS-PS3-1

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

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

Tags

NGSS.MS-PS2-2

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