Vocabulary
The amount of matter that makes up an object
What is a mass
The force of gravity on a given mass.
What is a weight?
This type of surface exerts more friction on objects
What is a rougher surface?
To lift a heavy box of books will take more ______ than lifting a light box of pillows, because the books have more ____________.
force and mass
The tool that you use to measure force of gravity pulling on something.
What is a a spring scale?
When you combine an objects speed and direction
What is velocity?
What will a surface feel like when there is not much friction force present?
What is slippery?
A small airplane requires less force to get into the air than a large airplane because this is smaller.
What is mass?
Which is greater, your weight on the moon or your weight on the earth.
What is a your weight on earth?
The 6th grade class and the 5th grade class are playing tug-of-war. After several minutes, the students notice that the rope has not moved at all. What is one possible cause of this?
What is the two classes have created a balanced force on the rope.
Give an example of friction in your daily life.
Teacher discretion.
When the same force is used to kick a soccer ball and a bowling ball, which will travel farther and why?
The soccer ball, because it has less mass.
In the car/rubber band experiment, the distance you pulled the rubber band back represents this.
What is a force?
The background of a scene, used for determining whether objects are changing position.
What is frame of reference
When 3 cars are given the same amount of force and then roll on different surfaces, this one will travel the farthest.
What is the one on the smoothest surface (one with the least amount of friction)?
If you tap a ping pong ball and a baseball with the same amount of force, this one will roll farther.
What is the ping pong ball?
Two ways that you can make sure you have a good experiment.
What are controlling variables and repeating trials?