Variables
The variable you can change is the
Independent variable
How many steps are in the scientific method
7
Is gravity a contact or non-contact force?
Non-Contact
Draw on a graph someone that has stopped for a few minutes
A straight horizontal line
Which type of energy, potential or kinetic, is the energy of motion
Kinetic
The variable you are observing is the
Dependent variable
What is the first step in the scientific method
Question / Problem
Is friction a contact or non-contact force?
Draw a constant rate of speed on your board
A straight line going from the bottom left toward the upper right
As a ball rolls down a hill, what happens to potential energy? What happens to kinetic energy?
Potential energy decreases
Kinetic energy increases
The wavelength of light.
What step in the scientific method is after Hypothesis?
Experiment
Is applied force a contact or non-contact force?
Contact
What are the three things you have to have on a graph
Lable
unit of measure
numbers equidistant on the lines
If a car goes 60 miles in 3 hours, what is the velocity
V= D/T
V = 60M/3H
V = 20 MPH
Emma creates an experiment to see if changing the wavelength of light will have an effect on the growth of a plant. What is the dependent variable?
The growth of the plant
A scientific experiment is done over and over by many people. Everyone get the same result. At this time it can be called a
Scientific Theory
Name three non-contact forces
Gravity
Magnetism
Electrostatic force
Draw on your graph a person that leaves home and them comes home
Line from the bottom left, up and then back down
I drive to my friends house that is 200 miles away. If it takes me 4 hours to get to the store, what is my average velocity
V = D / T
V = 200 M / 4 h
V = MPH
Emma creates an experiment to see if changing the wavelength of light will have an effect on the growth of a plant. Name three control variables
The pot, the kind of plant, the kind of soil, the time the plants get light, the amount of water.
Name all the steps of the scientific method
Problem / Question Observation / research
Hypothesis Experiment
Collect Data Make Conclusion
Share results
If you drop a 10 lb bowling ball and a 1 pound pool ball in a vacuum from 100 feet, which object will hit the ground first?
They will hit at the same time
A car drives to a store, stops for a bit then drives home
Line from the bottom left, horizontal for a bit, then then back down
What is the Law of Conservation of Energy?
Energy is neither created or destroyed, it just changes state