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8.1
8.2
8.3
Other
Vocab
100
In English, what does SI stand for?
What is the International System of Units
100
Give an example of a physical property.
What is boiling point, melting point, color, taste, texture, breaking, dissolving, being crushed, filtering, etc.
100
These are the two ways matter can change.
Matter can make physical or chemical changes.
100
This is what causes the Dead Sea to be 6-8x more salty than the ocean.
What is evaporation.
100
This is the measure of the force of gravity on you.
What is weight.
200
What is the SI unit of mass?
What is the kilogram.
200
Give an example of a chemical property.
flammability, toxicity, oxidation states, chemical bonds that will form, etc.
200
This is another name for chemical change.
What is a chemical reaction.
200
Name one substance that is less dense than water.
What is vegetable oil.
200
A substance that undergoes a change and is still the same substance afterwards is going through this.
What is a physical change.
300
Between weight and mass, which unit of measurement is more helpful to scientists and WHY?
What is MASS because it doesn't changed. Weight changes based on the mass of the planet.
300
The abilities to dissolve in water and conduct electric currents are examples of what kind of property?
What is physical property
300
When hydrogen peroxide breaks down into oxygen gas and water, what kind of change is occurring?
What is a chemical change.
300
This is what is left in Dead Sea (besides water).
Minerals and salt.
300
Liquid water changing into a vapor or gas is an example of this.
What is a physical change.
400
This equation can be used to determine density.
Density= mass/volume
400
The ability to oxidize is an example of what?
What is a chemical property.
400
What chemical changes could happen to a copper statue that is left outside?
It could mix with oxygen and would eventually turn green. It's a chemical change because through oxidation, it forms a new substance.
400
This is the main difference between physical and chemical changes.
A chemical change will change the substance while a physical change will not.
400
The amount of space that matter occupies is called what?
What is volume
500
This is the SI unit of volume
What is the cubic meter (m3)
500
This is the density of water.
What is 1 g/cm3
500
Give an example of chemical change.
What is combustion, electrolysis, oxidation, or tarnishing.
500
The density of actinium is 10. What is the mass of a sample of actinium with a volume of 5 cm3?
What is 2 kilogram.
500
This is the measure of the mass of a material in a given volume.
What is density.