scientific method & data analysis

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

• dependent variable
• independent variable
• data
• control group

Tags

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 prediction.

• I don't know.

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

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 variables or factors need to be controlled and kept the same?

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

Tags

NGSS.MS-ETS1-1

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

• conclusion
• procedures
• materials
• responding variable

Squidward found new reeds to tryout for his clarinet. He used an APPLAUSOMETER to measure applause after playing Under the Sea with each reed. The results were put in the table.

What was the independent variable?

• The Song

• The Reed

• The Applause

• The Clarinet

Squidward found new reeds to tryout for his clarinet. He used an APPLAUSOMETER to measure applause after playing Under the Sea with each reed. The results were put in the table.

What was the dependent variable?

• The Song

• The Reed

• The Applause

• The Clarinet

According to the diagram, which question is being tested?

• Do plants grow taller when watered with salt water?
• How much fertilizer do plants need?
• Does fertilizer make plants grow taller?
• What is the best fertilizer to use?

Tags

NGSS.MS-LS1-5

What is the dependent variable?

• amount of water

• amount of seeds

• diameter of seeds

• height of plants

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the independent variable?

• number of plants
• height of the plants
• concentration of fertilizer
• amount of water

Tags

NGSS.MS-ETS1-1