What's the Matter?
What 2 things does all matter have?
volume and mass
What is an atom?
The smallest particles of an element that keeps all the properties of that element.
What is mass?
It is how much matter is in something.
What is a force?
A push or a pull on an object.
Two or more substances that have been combined is called what?
a mixture
In what state of matter are the molecules most active?
gas
What part of an atom has no charge, or a neutral charge?
neutron
What is volume?
The amount of space that something takes up.
If you are riding in a car with books on your lap, what would happen if the car suddenly stopped?
The books would fall.
What is a solution?
A solution is made up of one substance that is dissolved into another substance.
What are the 2 states of matter that do not have a particular form, but take on the shape of their container?
gas and liquid
What is a proton?
It is the part of an atom that has a positive charge.
What is density a measure of?
How much mass is in a certain volume of matter
What is Newton's 1st Law of Motion?
An object at rest will stay at rest unless a net force acts on it. An object in motion will remain in motion unless a net force acts on it.
When we can see the different substances in a mixture, we call this mixture ________________________.
heterogenous
What do we call the point at which liquid becomes a gas?
boiling point
What part of the atom has a negative charge?
electron
What is buoyancy?
The ability of something to float.
What is Newton's 2nd law of motion?
A force acting on an object is equal to the mass of that object multiplied by its acceleration.
Milk, saltwater, and Kool-aid are all examples of what kind of mixtures?
homogenous
What is the freezing point of a substance?
It is the point at which a liquid becomes a solid.
What is the center of atom called?
the nucleus
What is viscosity?
The thickness of a liquid, or the resistance of a liquid to flow.
What is Newton's 3rd Law of Motion?
For every action there is an equal and opposite reaction.
What is the difference between a mixture and a compound?
A mixture is a combination of two or more substances that are physically mixed together.
A solution is a specific type of mixture where substances are dissolved.