Scientific Method and Water Properties

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

• dependent variable
• independent variable
• data
• control group

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.

Tags

NGSS.HS-PS1-2

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

• data
• theory
• hypothesis
• fact

Tags

NGSS.MS-LS1-5

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 are the controlled variables?

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

Students were investigating some properties of rocks. They wanted to compare the volumes of the rocks.

Which tool should the students use to accurately measure the volume of each rock?

• 
• 
• 
• 

Which measurement system do we like to use in science?

• Metric

• SAE

• Inches

• eye ball it

What is a Hypothesis?

• A best guess after research

• A bad movie

• Your results after an experiment

• An untested theory

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-LS1-5

NGSS.MS-LS2-1

Choose the accurate independent (I) and dependent (D) variables.

• I - total cost
  D - mowing time
• I - mowing time
  D - total cost
• I - lawnmowers purchased
  D - number of lawns
• I - number of lawns
  D - lawnmowers purchased

What kind of molecule is water?

• Ionic

• Polar Covalent

• Nonpolar Covalent

• Metallic

Tags

NGSS.MS-PS1-1