Chemistry of Materials
Chemical Reactions
Physical Properties
Forces and Motion
Calculations
100
The state of matter where the substance has no fixed shape and no fixed volume.
gas
100
A substance that enters a chemical reaction is called this.
a reactant
100
This physical property is the mass of a substance per unit of volume.
Density
100
This law states: For every action, there is an equal and opposite reaction.
Newton's Third Law
100
What is the net force of the image?
0 N
200
A substance made from more than one element joined by a chemical bond
compound.
200
What is the name for the simplest pure substance that cannot be broken down into other substances?
an element
200
The amount of space that an object or substance occupies
volume
200
This is the energy an object has because of its motion
kinetic energy
200
If I am pushing a 50 kg box with 25 N of force, what is the acceleration?
0.5 m/s2
300
The state of matter where the substance has a fixed volume, but no fixed shape.
liquid.
300
What are the basic building blocks of all matter called?
atoms
300
This physical property is the amount of matter in an object.
Mass
300
This is to change speed and/or directions per unit of time
acceleration
300
If a car is travels 30 meters over the time of 10 seconds, how fast is it going?
3 m/s
400
Two or more atoms held together by chemical bonds, it can be the same element or different elements.
molecule
400
This type of chemical reaction releases energy when forming the products, so it increases the temperature.
Exothermic Reaction
400
This physical property is the flexibility of a material, specifically the ability to compress into thin sheets.
malleability
400
This is the rate at which an object moves
speed
400
Balance this chemical equation
Fe + O2 ---> Fe3O4
3Fe + 2O2 ---> Fe3O4
500
Compounds made of long chains of repeating smaller molecular subunits
Polymer
500
This is a solid that form when two liquids are mixed in a chemical reaction.
Precipitate
500
This physical property is a substance's ability to dissolve in another substance.
Solubility
500
When the net force acting on an object is 0 N, the forces are_________
balanced
500
Using the equation: KE=1/2mv2
What is the kinetic energy of a 20 kg cart traveling at 5 m/s?
250 J