the property of water that allows a paper clip to sit on the surface of the liquid
surface tension
100
kool aid solution
What is a mixture?
100
particles are tightly packed and cannot move around much
What is a solid?
100
a way to find the volume of solids or irregular shaped objects
What is water displacement?
200
a combination of 2 or more substances that can be separated easily
What is a mixture?
200
describe the properties of aluminum that make it a good material for making bikes and airplanes.
work to list two or more properties
high strength
relatively low density (for a metal)
doesn't rust
200
carbon dioxide
compound
200
describe the motion of particles in a gas
move freely, quickly, and expand or contract to fit size of container
200
chocolate melts but these physical properties do not change (name 2 properties)
What are taste and color?
300
a characteristic of matter that can be observed or measured without changing the matter itself
What are physical properties?
300
this is a characteristic property of the following fuels
propane
alcohol
gasoline
flammability
300
stainless steel alloy
mixture
300
molecules can trade places and they can move around but stay close together; takes the shape of its container
What is a liquid?
300
name two or more examples of a polymer
plastic, nylon, wood, silly putty
400
a combination of 2 or more substances that cannot be separated
What is a solution?
400
which has a higher density?
toy car with a mass of 15 grams and a volume of 5 cubic centimeters or a rock with a mass of 20 grams and a volume of 10 centimeters cubed
toy car
400
two oxygen atoms put together to make a diatomic molecule
element
400
What happens to water water at 100 degrees C
It boils
400
plastics are a synthetic material generally made from this raw material
What is crude oil or petroleum
500
describes how much mass is in a given amount of space
What is density?
500
This characteristic property can be used to separate a mixture of salt and sand by adding water and allowing the salt to dissolve.
solubility
500
the air we breath
mixture
500
what happens to liquid water when temperatures are at 0 degrees C
it freezes
500
What are the characteristics of rubber that make it a good choice of material for tires.