Position/Motion
Name two position words.
up, down, next to, diagonally, south, west, east, north, left, right....
What is a force?
A push or a pull.
An object in space will keep moving until another force stops it.
True or False
True
Give one example of linear motion.
A car on a straight road.
What are the cardinal directions?
North, South, East, West
This is a type of motion that goes back and forth.
Vibrating Motion
Define "Friction"
A force between two objects touching each other. Friction ALWAYS causes moving things to slow down or stop.
What is a Magnetic Force?
The force that pulls metals towards a magnet.
What units would you use to measure distance?
A) meters
B) Kilometers per hour
C) seconds
D) meters per second
A) meters
What are the most important directions called?
Cardinal Directions
What type of motion is an object traveling if it is going in a straight path?
Linear motion
What is gravity?
A force that pulls or attracts objects towards each other.
When playing tug of war, forces become unbalanced causing a change in position called?
Motion
Which units would be useful for giving the speed of a turtle?
A) meters per second
B) centimeters per second
B) centimeters per second
Define the word 'Motion'
This is the change in position of an object from one place to another. It is described by comparing it to the position of an object that does not move.
How do you find speed?
A) mass x weight
B) distance x time
C) distance divided by time
D) mass divided by time
C) distance divided by time
The distance you ran (20 meters) divided by the time it took you to run (4.5 seconds) = how fast you traveled.
What is inertia?
The tendency of objects to resist changes in their motion.
What is Mass?
The amount of matter in an object.
Why does Earth have stronger gravity than a person?
Earth has more mass than a person, so it's gravity is stronger.
Define the word 'position'.
An objects location
Define acceleration and give 3 different examples.
Acceleration is the change in speed OR direction.
For example:
speeding up (pressing the gas pedal at a stop light)
slowing down (pressing the brakes on your bikes)
changing direction (turning right at a stop sign)
What has more inertia?
A) A squirrel running
B) An elephant sleeping
B) An elephant sleeping
What is weight?
The measure of the force of gravity on an object.
Does a person's mass change on than moon compared to earth?
No, only the weight changes