Properties of Matter
What is mass? Which tool do we use to measure mass?
the AMOUNT of matter in something
balance
what is a mixture?
materials mixed together
What are the three states of matter?
solid, liquid, gas
Suppose you boil an egg. What kind of change is taking place?
A. physical and chemical
B. chemical
C. physical
D. no change is occurring
A
anything that has mass and takes up space
What is volume? Which tool do we use to measure volume?
the amount of space something takes up. graduated cylinder
what is a solution?
a type of mixture that is evenly dissolved and difficult to separate
Give one example of each state of matter.
gas
liquid
solid
How can you slow down the ripening of a banana?
put it in the fridge or freezer to cooler temps
Element + Element = ?
compound
color, texture, volume, temperature, mass, volume, shape, electrical conductivity, magnetism
Name one way you can separate sand water.
Name one way you can separate salt water.
with a filter/strainer
by boiling and evaporating water; only sugar will be left behind
Draw what the particles (atoms) of each state of matter would look like inside a cup
solids - close together, solid shape
liquids - near each other, take shape of container
gas - far apart, don't take shape
_______ affects how fast or slow chemical and physical changes occur.
temperature
What is the atomic theory?
The theory of atoms (small particles) making up matter or everything
Describe how you would separate a mixture of water, sand, pebbles, and paper clips.
What is a solute? What is a solvent? Give one example for both.
solute - the substance that is being dissolved (salt, sugar, coffee grains, etc.)
solvent - the substance the solute is being dissolved into (water, oils, etc.)
1) solid to liquid
2) liquid to solid
3) liquid to gas
4) gas to liquid
1) melting
2) freezing
3) evaporation
4) condensation
change in color
heat
light
new substance formed
new odor
formation of a solid
gas bubbles
What makes up an atom?
P - PROTONS
E - ELECTRONS
N - NEUTRONS
What are the definitions of solids, liquids, and gases?
solids - DEFINITE SHAPE AND DEFINITE VOLUME
gases - NO SHAPE AND NO VOLUME
liquids - NO SHAPE BUT DEFINITE VOLUME
What is solubility?
the ability of a substance to dissolve in water
deposition and sublimation
chemical change - one or more types of matter change into other types of matter with different properties. produces new substance
physical change - change in SOME properties of matter without forming a different kind of matter.
What are the three main types of elements?
metals, nonmetals, semimetals