Properties of Matter
Anything that has mass and takes up space
What is matter?
Tiny pieces of matter that are too small to be seen
What are particles?
Name the three states of matters
What is solid, liquid, gas?
When two or more different substances are mixed, a new substance may be formed. This is called a _________change.
What is chemical?
The scientific study of what matter is made of and how it changes
What is chemistry?
People can use this to describe and identify matter
What are properties?
This is needed to be added for particles to move around freely
What is heat?
During a physical change, the total _________of matter is conserved.
What is weight or mass?
True or false: When a chemical change occurs, the total weight of matter changes
What is false? It stays the same/is conserved
These forms when atoms join together with other atoms
Molecules
The ability of a substance to dissolve something
What is solubility?
Pictures, symbols, or physical examples that help explain something that we cannot directly observe
What is a model?
Grass being cut, paper being torn, and plastic melting are examples of a ______change.
What is physical?
A combination of different types of matter that can usually be separated back into its original parts
What is mixture?
Matter that is made of particles too small to be seen
What is are atoms?
Name three properties of matter
Acceptable answers: color, hardness, reflectivity, electrical conductivity, thermal conductivity, magnetism, solubility
Name an example of evidence that can be used to explain that matter is made of particles too small to be seen
What is inflating a balloon, evaporating liquids, dissolving a substance?
When rocks and shells go through a __________they can make sand.
What is a physical change?
Give an example of when a chemical change has occurred
Acceptable answers: formation of gas, change in color, change in odor, change in temperature, emission of light, formation of a precipitate
Name the elements that are needed to make a water molecule
What are hydrogen and oxygen (H2O)
The _______is a plan that is used to find and develop solutions to a problem.
What is design process?
Draw, label, and describe what happens when a sugar cube is added to a warm glass of water.
Draw a before and after picture showing what happened
Name the three stages of water using the state of matter.
solid: ice, liquid: water, gas: evaporation/gas
Which is a chemical change?
A) Tree being cut down
B) Tree burning down
C) Metal rusting
D) Paper being wadded up
E) Milk becoming sour
What is B, C, E?
Draw and label a water molecule.
Show a picture.