Show:
Motion
Newton's Laws
Units
Review
Extras
100
When the distance between two objects changes.
What is motion?
100
Forces come in this.
What are pairs?
100
Kilometers per hour is a unit of this.
What is speed?
100
This means being honest and fair.
What is being ethical?
100
This type of observation describes physical properties like color, shape, and texture.
What is a qualitative observation?
200
A measure of the length from one point to another is this.
What is distance?
200
This law explains why it hurts to punch a brick wall.
What is Newton's third law?
200
Centimeters is a unit of this.
What is distance?
200
Explaining or interpreting the things you observe is making one of these.
What is an inference?
200
This concept explains why you move forward when a car stops.
What is inertia?
300
How fast or slow an object is moving is this.
What is speed?
300
A pen on a desk will not move until someone moves it is an example of this concept.
What is Newton's First Law?
300
Meters per hour North is a unit of this.
What is velocity?
300
This is the family of elements that has no subfamilies.
What are the metalloids?
300
These two things affect the force that pulls objects together.
What are mass and distance?
400
Acceleration is a change in this.
What is velocity?
400
Acceleration depends on these two things.
What are force and mass?
400
This is the unit used to measure force.
What are Newtons?
400
This scientist believed that electrons orbited the nucleus.
Who is Niels Bohr?
400
This is the theoretical temperature at which all molecular motion stops.
What is absolute zero?
500
These are the two parts of a velocity.
What are speed and a given direction?
500
This explains why boat sails are usually curved.
What is Newton's Third Law?
500
Meters per second per second is a unit of this.
What is acceleration?
500
This is an element that has a positive or negative charge.
What is an ion?
500
This material has one of the lowest coefficients of friction known.
What is human cartilage?