Nature of Science

What is science?

• the study of the natural world

• someone who studies the natural world

• only experiments where you manipulate variables

• it is just like watching a show on youtube

An experimental investigation...

• is controlled with variables

• is really boring

• compares two or more things

• is just observing without interfering

Tags

NGSS.MS-PS3-4

An observational investigation...

• is just observing without interfering

• is comparing two or more things

• Is controlled with variables

• is super fun with a friend

A comparative investigation...

• compares two or more things

• is just an observation

• is a controlled experiment with variables

• makes you a detective

Ms. Fayle noticed her favorite disney shirt wasn't as clean as it used to be. Mrs. Elmore told her to try her regular cleaner on one side, and Clean-O on the other side.

• Independent - detergent; Dependent - cleanliness of the shirt; Control - same shirt, temp of water

• Dependent - detergent; Independent - cleanliness of the shirt; Control - same shirt, temp of water

• Control - detergent; Independent - cleanliness of the shirt; Dependent - same shirt, temp of water

• Independent - detergent; Control - cleanliness of the shirt; Dependent - same shirt, temp of water

Tags

NGSS.MS-ETS1-1

Mrs. Herrans is planning an experiment to find out how the height from which she drops a ball affects how high the ball bounces.

• Independent - height to drop ball; Dependent - height the ball bounces; Control - mass of ball, type of ball

• Independent - height the ball bounces; Dependent - height to drop ball ; Control - mass of ball, type of ball

• Independent - mass of the ball; Dependent - height the ball bounces; Control - mass of ball, type of ball

• Independent - height to drop ball; Dependent - type of ball; Control - mass of ball, type of ball

Tags

NGSS.MS-ETS1-1

Mr. Arthur set up an experiment to see how the mass of a toy car affects the distance it rolls off a ramp.

• Independent - mass of toy car; Dependent - distance; Control - ramp, unit of measurement

• Independent - ramp; Dependent - mass of toy car; Control - distance, unit of measurement

• Independent - distance; Dependent - unit of measurement; Control - ramp, unit of measurement

• Independent - mass of toy car; Dependent - ramp; Control - distance, unit of measurement

Tags

NGSS.MS-PS2-2

Mr. Trotman wants to see how different liquids affect plant growth. He gives three plants different liquid; water, juice, or milk. Each plant has the same amount of soil, sunlight, and liquid. He measures them everyday.

• Independent - type of liquid; Dependent - growth of plant; Control - type of plant, soil, sunlight, amount of liquid

• Independent - type of liquid; Dependent - type of plant; Control - growth of plant, soil, sunlight, amount of liquid

• Independent - growth of plants; Dependent - amount of liquid; Control - temperature, location

• Independent - growth of plants; Dependent - growth of plant; Control - type of plant, soil, sunlight, amount of liquid

Tags

NGSS.MS-LS1-5

How many independent variables can be tested in a controlled experiment?

• One

• Two

• Three

• Four

Tags

NGSS.MS-PS2-2

The variable that you measure is the __?__.

• Dependent

• Independent

• Control

• Investigation

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4