Scientific method

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

• dependent variable

• independent variable

• data

• control group

To make an experiment more valid, you need to repeat the experiment and have a larger sample size.

• true

• false

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

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.MS-LS1-1

In a controlled experiment, how many variables SHOULD be worked with at a time?

• one

• none

• two or more

• how ever many makes sense.

The part of the experiment that remains the same for the control and experimental group.

• constants
• control
• independent
• dependent

Which statement is an inference about this picture?

• The van is tan.
• The  van ran into KFC. 
• The driver was hungry. 
• Red and white are part of the KFC building. 

Ms. Murphy sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• distance traveled by the ball

• height of the ramp

• mass of the ball

• weight of the ball

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the dependent variable.

• height of the ramp
•  distance traveled by the ball
• mass of the ball
• weight of the ball

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

Tags

CCSS.6.EE.C.9

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound