Physical or Chemical Properties
Vocabulary
Changes in Matter
Atoms, Elements, Molecules, Compounds
Mixed Review!
100
Flammability, Mass, Melting Point
Of these three properties, which ONE depends on the amount of matter that is present?
Mass
100
What is anything that has mass and takes up space?
Matter
100
What can be said about the movement of particles when heat is added?
They speed up.
100
The formula for glucose is C6H12O6. If you have one molecule of glucose, how many atoms of hydrogen are there?
12
100
A measure of the amount of matter in an object.
Mass
200
What does density measure?
The amount of mass in a given space
200
What is the smallest part of an element?
Atom
200
What is the freezing point of water in Celsius AND Fahrenheit?
0C and 32F
200
When two elements join together, it forms a _____
Molecule
200
What is the formula that we use to calculate density?
Density = Mass / Volume
300
Shiny, silver, and malleable are all words that describe the ____ properties of aluminum foil.
physical
300
A pure substance that is only made of one type of atom.
Element
300
When a gas becomes a liquid, what process has occurred?
Condensation
300
What type of change is needed to break apart a molecule of ammonia (NH4)?
Chemical change
300
Which two states of matter have a definite volume?
Solid & Liquid
400
Combustibility and flammability are both ______ properties.
Chemical
400
A measure of the gravitational pull on an object.
Weight
400
It rained really hard last week, and puddles formed in your yard. They aren't there anymore. What is one of the reasons why this is true?
Evaporation
400
What is the name for a pure substance?
Element
400
What is the density of water? AND what might the density of an object be if it SINKS in water?
1.0
(Anything GREATER than 1)
500
We discussed 5 signs that would help us know that a chemical reaction took place. Name THREE.
1. Odor production
2. Change in temperature
3. Change in color
4. Formation of a precipitate
5. Formation of bubbles
500
The amount of space something takes up.
Volume
500
When a gas changes to a solid without becoming a liquid first, the process is known as _____.
Deposition
500
Which box shows two different types of elements that are in the same space but NOT chemically bonded?
C
500
Which of the following IS an example of matter?
Light, Sound, Air, or Heat
AIR