Scientific Method Review

"The insect in Container B has six appendages" is an example of what type of scientific observation?

• quanitative
• qualitative
• inference
• hypothesis

The purpose of a controlled experiment is to allow a scientist to isolate and test...

• a single variable.

• several variables.

• many data.

• a conclusion.

The variable that is measured in the experiment is

• the dependent variable
• the independent variable
• the control variable
• the hypothetical variable

Tara wanted to find out which brand of popcorn results in the fewest unpopped kernels. She purchased 3 of the same size bag of different brands of microwave popcorn. Tara popped Brand A for 3 minutes and 30 seconds, Brand B for 3 minutes and 45 seconds, and Brand C for 4 minutes. She poured each bag into a separate bowl and counted how many unpopped kernels remained. ...............What did Tara do wrong?

• She used different brands of popcorn.

• She popped the bags for different amounts of time.

• She should have used the same brands of popcorn and popped them for the same amount of time.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Select whether the following observation is quantitative or qualitative.

"Lisa lost seven pencils today."

• quantative

• qualitative

Select the MOST LOGICAL inference that could possibly explain the following observation.

"You leave school and see the street is wet."

• There was a water balloon fight in the street.

• It rained.

• A fire hydrant near the street was leaking.

What can you conclude about the effect of the distance from the hoop (in meters) on the number of baskets made?

• The farther away you are from the basket, the fewer baskets will be made.

• The closer someone was to the basket, the fewer baskets he/she made.

• There was no connection between the distance to the basket and the number of baskets made.

Is the following question testable?

"Can daisies grow in different types of soil?"

• yes

• no

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

There are two types of data. Which type of data involves descriptions that cannot be counted or measured?

• qualitative
• quantitative