Describing Matter
Classifying Matter
Measuring Matter
Changes in Matter
Calculations and Misc
100
What is chemistry?
What is the study of matter and how matter changes.
100
Is salad dressing a homogeneous or heterogeneous mixture?
What is heterogeneous?
100
What makes an object float in water?
The density has to be less than 1g/mL (water's density)
100
What is the law of conservation of mass?
What is matter is neither created nor destroyed during a chemical change.
100
What is the density if the mass is 21 g and the volume is 9 cm^3
What is 2.3 g/cm^3
200
Name three physical properties of a popsicle.
Color, texture, temperature, taste, flavor, solid, etc. Any three answers will work.
200
A mixture is made up of two or more _____
What are substances?
200
What is the difference between mass and weight?
What is weight can change depending on gravity, mass cannot.
200
What is an exothermic change?
What is a change that releases energy.
200
What is the volume of a rectangular prism that has length=43 cm width=63.5 cm height=23 cm
What is 62801.5 cm^3
300
Dissolving salt is what kind of change?
What is physical change?
300
What is a group of two or more atoms called?
What is molecule?
300
How do you find the volume of a regular object?
What is length x width x height
300
What type of change is rusting metal?
What is chemical change?
300
What is the density? Mass = 126 g Volume = 15 cm^3
What is 8.4g/cm^3
400
Every form of matter has how many types of properties and what are they?
What is two: physical and chemical
400
What is the chemical formula for carbon dioxide?
What is CO2?
400
How do you find the volume of an irregular object?
What is sink it in a beaker of water and watch for displacement.
400
How is chemical energy stored?
In the bonds between atoms.
400
What is the chemical symbol of gold?
What is AU?
500
How do you tell if flammability is a chemical property?
When something burns, a new substance is formed.
500
What happens when elements are chemically combined?
They form compounds.
500
What is the Si unit of mass?
What is kilogram?
500
What is thermal energy?
What is total energy of the motion of all the particles in the object.
500
How do detectives find blood at a crime scene?
They put luminol down which reacts with the blood and shows up under a blacklight.
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