Scientific Method Knowledge Check

A testable prediction about a scientific investigation is a(n)

• Question
• Observation
• Hypothesis
• Experiment

How many variables can be tested in a controlled experiment?

• one
• two
• three
• as many as possible

Tags

NGSS.MS-PS2-2

Which of the following is a quantitative observation?

• The bird is very colorful.
• The bird has 4 different colors on him.
• The bird has many, many feathers.
• It is a bird. 

Tags

NGSS.MS-LS2-1

A student wants to test the effects of different types of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

This variable is the actual data collected during the experiment. 

• independent variable
• dependent variable
• control group
• data group

Tags

NGSS.MS-PS1-2

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

• dependent variable
• independent variable
• data
• control group

Things that stay the same throughout the whole experiment are called

• control variables or constants

• dependent variables
• independent variables
• placebos

Jane Goodall recorded 40 chimps living in a community, this is ____ data.

• quantitative
• qualitative
• observation
• field study

Johnny wants to know how different types of colored light affect plant growth? What is the DV?

• Types of plant growth

• types of colored lights

• colored lights on plant growth

• plant growth

Tags

NGSS.MS-LS1-5

Johnny wants to know how different types of colored light affect plant growth? What is the IV?

• types of plant growth

• types of colored lights

• plant growth on colored lights

• plant growth

Tags

NGSS.MS-LS1-6