1st Nine Weeks

Convert to Scientific Notation: 554,000

A Visual Representation of Data

• Accuracy

• Precison

• Graph

Accuracy

• How close something is to an accepted value.

• How close a set of values is to an accepted value

• A visual representation of data

A ratio of equivalent values used to express the same quantity in different units.

• Conversion Factor

• Dimensional Analysis

• Accuracy

• Precision

Dimensional Analysis

• Method of problem solving that focuses on the units to describe matter; Often uses conversion factors.

• Ratio of equivalent values used to express the same quantity in different units.

• Visual Representation of Data

1000mm=

• 1m

• 1km

• 1cm

• 1dm

Which answer has 6 sig figs.

• 5.23

• 50.28

• .000012

• 105.407

The one who discovered the proton was:

• Rutherford

• Thomson

• Bohr

• Chadwick

Chadwick discovered the:

• Proton

• Neutron

• Electron

Who used the gold foil experiment

• Democritus

• Dalton

• Chadwick

• Rutherford