Ch. 1 Intro

Scientific Method

100

A proposed answer or an educated guess

Hypothesis

200

A statement that is a repeated observation 

Scientific law

300

Organized plan(process) for gathering information

Scientific method

400

Well-tested explanation for a set of observations

Scientific theory

500

6 steps of the scientific method

Question, Observation, Hypothesis, Experiment, Data, & Conclusion

SI Units

100

Basic unit for length

Meter

200

Basic unit for volume

cubic centimeter (cm3)

300

The quantity of matter in an object

Mass

400

Amount of space taken up by an object

Volume

500

Convert 2,100,000 into scientific notation. How many significant figures are there?

2.1 x 10 6; 2 significant figures

Prefix/Measurements

100

Kilo=

1000

200

Milli=

0.001 (1/1000)

300

Convert 3 km to m

3000 m

400

How many significant figures are there for 0.00104

3

500

What is the density of an object with a mass of 180 g and a volume of 10 cm3?

18 g/cm3 (GUESS method)

Curiosity

100

A search for answers is 

Science

200

A tool that helps in discovering the answers

Technology

300

The study of motion and energy 

Physics

400

The study of the internal structure of matter and how it reacts

Chemistry

500

Convert 2702 g into cg.  For fun, change the new cg number into scientific notation.  

270,200 cg / 2.702 x 10⁵ cg

Misc.

100

On the Celcius scale, water freezes at? boils at?

0 C & 100 C

200

The ratio of a vertical change to the corresponding horizontal change is called the

Slope

300

List the 3 types of graphs used by scientists to organize their data

1. Line; 2. Bar; 3. Circle/Pie

400

The closeness of a measurement to the accepted value

Accuracy

500

Determine the number of significant figures and express the number in the correct scientific notation.

0.00003320

4 / 3.320 x 10^-5