Dimensional Analysis and Scientific Notation

The SI base unit for mass

• kilogram

• meter

• second

• liter

A ratio of equivalent values used to express the same quantity in different units; is always equal to 1 and changes the units of a quantity without changing its value

• conversion factor
• percent error
• dimensional analysis
• scientific notation

A systematic approach to problem solving that uses conversion factors to move from one unit to another

• dimensional analysis
• conversion factor
• scientific notation
• percent error

Expresses any number as a number between 1 and 10 (known as a coefficient) multiplied by 10 raised to a power (known as an exponent). Makes it easier to write large or small quantities.

• metric system

• scientific notation

• standard notation

• dimensional analysis

the study of matter and the changes that it undergoes

• Chemistry

• mass

• model

• weight

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.

• 25 mg
• 25,000 mg
• 250 mg
• 2500 mg

Tags

CCSS.6.RP.A.3D

Convert 3.5 gallons into cups. (1gal = 16cups)

• 56 cups

• 0.21875 cups

• 19.5 cups

• 48 cups

Tags

CCSS.6.RP.A.3D

What is scientific notation?

• A long way to write really short  numbers
• A short way to write really long numbers
• I don't know...
• None of the above

Tags

CCSS.8.EE.A.3

UNDERSTANDING
If the exponent is a negative number...

• you will get a large number
• you will get a small number

UNDERSTANDING
If the exponent is a positive number...

• you will get a large number
• you will get a smaller number

Tags

CCSS.8.EE.A.1