Scientific Method
"How does changing the amount of sunlight exposure change my plant's growth?" is an example of what?
A testable question.
What is distance?
How far something moves.
Name two possible units for speed.
m/s, mi/hr -- answers may vary
What is another name for Neton's first law?
The law of inertia
Kaysen runs 15 meters north and then walks 10 meters west in 10 seconds total. What is his average speed?
2.5 m/s
What is a hypothesis?
An educated guess.
What is the difference between distance and displacement?
Displacement has a direction and distance does not.
Gary sprints 10 cm in 2 hours, What is his average speed?
5 cm/hr
What affects an objects inertia?
its mass
Jobin pushes a box with 25 N force to the left and Nariko pushes to the right with 20 N of force. What is the net force on the box?
5 N left
"my plants die when I don't water them." is an example of what?
Observation
Jonathan walks 5 m north, then 4 m west, then 5 m south. What distance did he travel?
14 m
What are the three ways something can be accellerate?
speeding up, slowing down, and changing direction
What is the formula for Newton's 2nd law?
F=ma
120 N of force is applied to a box and it accellerates at 4 m/s2. What is its mass?
30 kg
When testing a new medicine, group 1 gets a sugar pill and group 2 gets the new medicine. Which is the control group?
Group 1
Parker runs 15 m east, turns around and runs 20 m west. What is his displacement?
5 m west
a car goes from rest to 60 m.p.h. in 10 seconds. What is its accelleration?
6 miles per second squared
Two sumo wrestlers collide and they both bounce backwards. What law does this represent?
Newton's 3rd law
A 100 kg rock is sitting on top aof a cliff that is 10 m high. What is its GPE?
9,800 J
I am testing how different products affect hair growth.
What goes on the Y-axis, and what variable is it?
Hair growth, dependant variable
Nahea walks 5 m east, then walks 4 m north, and then walks 5 m west. What is her displacement?
4 m north
A biker goes from 40 m/m to 25m/s in 3 seconds. What is its acceleration?
- 5 m/s squared
A fly crashes into the windshield of a speeding truck. Which object applies more force?
Neither, they apply equal and opposite forces.
A 10 kg bowling ball is rollong at 5 m/s. What is its kinetic energy?
125 J