Units and Measurements

Units and Measurements

100

Anything that has mass and takes up space

Matter

200

Equal to the mass of an object multiplied by the force of gravity

Weight

300

Unit based on object or event in the physical world

Base Unit

400

SI base unit of temperature

Kelvin

500

This unit is derived and is measured in cubic decimeters or cubic centimeters.

Volume

Scientific Notation

100

This is used to write very small and very big numbers in science.

Scientific Notation

200

100

1 x10²

300

3.45 x 10^-3

.00345

400

0.00911

9.11 x 10^-3

500

301,723

3.01 x 10⁵

Significant Figures

100

Describes how close a measurement is to the true value.

Accuracy

200

Describes how close a group of measurements are to each other

Precision

300

The difference between the measured and accepted values

error

400

Ratio of the error to the accepted value

percent error

500

4.278 x 10¹²

4 sig figs

More Sig figs

100

3000

1 sig fig

200

205,302

6 sig figs

300

1.45 x 10³

3 sig figs

400

1,200

2 sig figs

500

1.000 x 10⁴

4 sig figs

Types of Graphs

100

Which type of graph is best used when there are two variables

Line graph

200

Which type of graph is best used when a quantity varies across different categories?

Bar Graph

300

Which type of graph is best used to show parts of a whole?

Pie/Circle graph

400

Extendending the graph into the future is called this.

Extrapolation

500

"As one variable increases, the other decreases" gives what type of slope?

Negative