What is Science?

 A testable idea or explanation that leads to scientific investigation based on prior knowledge is known as: 

• theory
• experiment 
• observation
• hypothesis

________ is the process of obtaining information by using the senses. 

• analyze
• inference
• observation
• hypothesis

Tags

NGSS.MS-LS1-8

Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?

• How far they kick the soccer ball
• who the person is
• how well they do on the math test
• Type of soccer ball.

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

Which variable depends on what is done at the beginning of an experiment?

• Dependent
• Independent
• Control
• Following

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball
• Where the experiment took place.

Which of these explain how a natural phenomenon works or happens?

• theory

• law

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-5

NGSS.HS-ESS2-4

People have 206 bones. 
The tiniest bone is inside the ear. It is 3 millimeters long. It is called the stapes, or stirrup.

• Fact
• Theory
• Law

Once a theory has been tested and confirmed it cannot be changed.

• True
• False

Tags

NGSS.HS-PS1-2

Laws tells us that it happens but doesn’t describe how or why.

• True
• False