Science Cast Practice

Why is the scientific method important?

• It allows other scientists to repeat your process

• Because Mr. Stone makes me do it

• It helps determine variables in an experiment

• Because experiments are fun

Variable that the SCIENTIST CHANGES or TESTS.

• Control Variable
• Variable
• Dependent Variable
• Independent Variable

Tags

NGSS.MS-PS2-2

Variable that is MEASURED or OBSERVED; it DEPENDS on the independent variable.

• Control Variable
• Variable
• Dependent Variable
• Independent Variable

Variable that the scientist keeps CONSTANT or the SAME. 

• Control Variable
• Variable
• Dependent Variable
• Independent Variable

Tags

NGSS.MS-PS2-2

How do scientists know that their data is accurate? 

• Follow their procedure exactly and control all their variables
• Compare results with other scientists that tested the same thing and get similar results
• Repeat the experiment and get similar results
• All of the choices are correct.

Mr. Stone wants to know which brand of paper towels is the strongest. In this experiment, what is the INDEPENDENT variable?

• Strength

• Brand of paper towel

• Weight

• Environment

Mr. Stone wants to know which brand of paper towels is the strongest. In this experiment, what is the DEPENDENT variable?

• Strength

• Brand of paper towel

• Environment

• Weight

Tags

NGSS.MS-PS1-2

Mr. Stone wants to know which brand of paper towels is the strongest. In this experiment, what is the most important CONTROL variable?

• Strength

• Brand of paper towel

• Weight

• Environment

Based on the graph, how many more students are in the science club than the book club?

• 20

• 16

• 46

• 18

At which age do the least amount of teens have a cell phone?

• 18
• 14
• 13
• 15