Show:
definitions
let's think ...
what do you think?
let's do math
is it easy?
100
What kind of a scale do you use to observe and measure system variables?
macroscopic scale
100
if a cart is at the bottom of a ramp does it use more or less energy?
less energy
100
where is the independent variable on a graph? x or y axis?
x axis
100
how many seconds are in 3 days?
86,400 seconds
100
If Silly Suzy takes 8 minutes to ride up a 2.4 kilometer hill on her bike.......What was her speed? Use your formula
0.3 kilometers per minutes
200
What is a carefully designed test done under controlled conditions called?
an experiment
200
What has more mass a car or a rocket?
rocket
200
does a scientist control the independent variable?
YES!!!!! they do.
200
how many seconds in: 1 hour, 30 minutes, 5 seconds?
1993 seconds
200
Put these in order from smallest to largest..... centigram, kilogram, gigagram, microgram
micro, centi, kilo, giga
300
What is the factor that affects the behavior of a system called?
variable
300
What describes the organization of the universe AND natural laws?
PHYSICS
300
does the independent variable cause change in the experiment?
yes it causes change! it's independent!!!!!
300
What is the volume of a rectangle with these dimensions: 15cm x 5cm x 4 cm
300 cubic cm
300
what is a hypothesis?
educated guess
400
What is one of the first steps in scientific method process?
asking a question
400
Does the independent variable cause change in an experiment?
yes it causes changes
400
What is the metric system based on?
factors of 10
400
what is the formula for speed (velocity)?
distance divided by time
400
What is the measure of a system's ability to change or create change in a system?
energy
500
What is the control variable?
the one that does not change in an experiment
500
What unit of time do most scientists use in physics?
the second!!!!
500
would you measure a pencil in meters, kilometers, centimeters or millimeters?
centimeters
500
If you drive 5 hours and are going 85 miles per hour ...how many miles will you drive?
425 miles
500
What does distance measure?
space between two points