PS Midterm Review

What is science?

• A method for studying the natural world.

• A collection of facts about the natural world.

• A set of beliefs about the natural world.

• A way to memorize information about nature.

Tags

NGSS.MS-PS1-2

An idea about nature based on many observations ( could one day be modified) is known as a?

• Scientific Theory

• Scientific Law

• Hypothesis

• Inquiry

A statement about what happens in nature and that seems to be true all the time is a?

• Scientific Theory

• Scientific Law

• Hypothesis

• Inquiry

Describe the dependent variable.

• Changes according to changes in other variables.

• Is changed to see how it will affect the independent variable.

• Remains constant throughout the experiment.

• Is not measured in an experiment.

Tags

NGSS.MS-LS2-1

Describe the independent variable.

• Changes according to changes in other variables.

• Is changed to see how it will affect the dependent variable.

• Remains constant throughout the experiment.

• Is not measured in an experiment.

What is the order of the prefixes in the metric system from largest to smallest?

• Kilo, Hecta, Deca, BASE, deci, centi, milli

• Milli, centi, deci, BASE, Deca, Hecta, Kilo

• BASE, Kilo, Hecta, Deca, deci, centi, milli

• Kilo, Deca, Hecta, BASE, centi, deci, milli

Convert 0.75 cm to km.

• 0.0000075

• 0.0075

• 75,000

• 7,500

The total area covered by movement is?

• Distance

• Displacement

• Area

• Volume

The change in position from the starting point is?

• Distance

• Displacement

• Area

• Volume

If a person runs 75 meters West and then turns around and runs 70 meters East, what is the distance that they ran?

• 75 m

• 70 m East

• 5 m West

• 145 m