Scientific method review

Data that are qualitative are always-

• described in words
• represented in numbers
• repeated for verification
• the most accurate type of data

A hypothesis is-

• An educated guess

• a proven statement
• a conclusive statement
• a definite answer to a possible problem

You suggest that the absence of water could prevent the growth of bread mold. This is-

• a hypothesis
• a conclusion
• an experiment
• an analysis

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The variable that is measured in the experiment is-

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

A theory-

• may be revised and changed

• is always true
• is the same as hypothesis
• is a question to be answered

Is the height of a ball's bounce affected by the height from which the ball is dropped? What is the dependent variable?

• height from which the ball is dropped

• type of ball

• height of the ball's bounce

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.

The teacher hands Alysha her test back and Alysha smiles.

• Alysha received a good grade.

• The teacher wrote a note to Alysha about her summer plans.

• Alysha failed the test.

How many variables can you change in a controlled experiment?

• one
• two
• three
• as many as possible

What step does every scientific experiment begin with?

• hypothesis

• question/problem

• procedures

• conclusion