properties of materials
properties of matter
changes in matter
mixtures and solutions
100
What are 3 types of properties of materials?
(Hint: p___ p____, s_____, t_____ c_____)
physical properties, solubility, thermal conductivity
100
What are the three properties of matter?
volume, mass, and density
100
What are the two types of changes?
physical changes and chemical changes
100
What is the name of two substances mixed together?
mixture
200
materials that break easy
fragile
200
What is volume?
Volume is the amount of space that matter occupies.
200
In a physical change, the matter d______ c______ and it can be r________.
In a physical change, the matter doesn't change and it can be reversed.
200
What are two types of mixtures?
heterogeneous and homogeneous
300
difficult to scratch or cut
hard
300
What is mass?
Mass is the amount of matter in an object.
300
What are four types of physical changes?
shape, place, state, temperature
300
say 1 example of a heterogeneous mixture and 1 example of a homogeneous mixture
heterogeneous mixture: strawberries and creme
homogeneous mixture: milk and chocolate powder
400
say 1 example of a soluble material and 1 example of an insoluble material
soluble: salt
insoluble: pepper
400
What is density?
Density is the amount of mass in the volume of an object.
400
What chemical change is happening?
burn
400
What are two parts of a solution?
solute and solvent
500
say 1 example of a thermal conductor and 1 example of a thermal insulator
thermal conductor: metal
thermal insulator: plastic, wood
500
What is the density of the rock?
volume: 10 cm3
mass: 20 g
d=m/v
20/10=2
2 g/cm3
500
What chemical change is happening?
rot
500
What are 3 ways to separate mixtures?
filtration, evaporation, distillation