Physics Unit 1

Vocab

100

The degree of exactness of a measurement

what is precision? 

200

the current best explanation for why things work the way they do

what is theory?

300

one of the scientists most useful tools for making predictions 

what is graph?

400

the valid digits in a measurement

what is significant digits/figures?

500

a rule of nature that sums up related observations to describe a pattern in nature

what is scientific law?

Mathematics

100

express the measurements in scientific notation

142,000 s

what is 1.42 x 10⁵ s ?

200

How many significant figures are in

2.560 x 10⁴

what is 4?

300

How many milliliters are in 6.2 liters?

what is 6,200 mL?

400

simplify the following expression

(2x10⁶m) (5x10⁵m) 

what is 1 x 10¹² m² ?

500

convert 86 km/h to m/s

what is 24m/s ?

graphing

100

the factor that is changed or manipulated during the experiment

what is the independent variable?

200

the line drawn as close to all the data points as possible

what is the line of best fit?

300

m = rise / run

what is slope?

400

when one variable depends on the square of another 

what is quadratic relationship? 

500

hyperbola results when one variable depends on the inverse of the other

what is inverse relationship?

SI units

100

the base SI unit for length

what is meter?

200

the base SI unit for weight?

grams

300

the metric prefix  x10^-2

what is centi- ?

400

why do we use the metric system/SI?

what is science uses a universal language that can be read by all the same?

500

what does SI unit stand for? 

International System of Units 

Random

100

what happens when a unicorn jumps in the river ? 

it gets wet. 

200

the bell ringers brother was a what?

what is a dead ringer for his brother?

300

how many arms did the bell ringer have?

what is 0

400

How old is Ms. Thompson?

what is 22?

500

how old is Mr Heath?

what is 75?