Methods of Science

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

• dependent variable
• independent variable
• data
• control group

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

• quantitative
• qualitative

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-2

NGSS.HS-PS1-7

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

• constants
• control
• independent
• dependent

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

• one
• none
• two or more
• how ever many makes sense.

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. 

Measuring the number of times a person breathes after exercise involves ____ data. 

• quantitative
• qualitative

Jane Goodall recorded chimpanzees hunt bushpigs, this type of data is called ___

• qualitative
• quantitative
• field study
• observation

Mr. S. 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

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

Examine the data shown in the graph below.
What conclusion can be reached by the data shown in the graph?

• During the months of May, June , and July, the rate of photosynthesis increases and decreases greatly during the winter months.
• During the winter months, photosynthesis increases and during the summer months, photosynthesis decreases.