Vocabulary
Chemical or Physical?
Physical and chemical properties of matter
Heat
Light and Sound
100
what is the smallest possible particle of any substance or matter?
an atom
100
tearing a piece of paper
physical change
100
which is NOT a physical property of matter? mass volume ability to burn ability to conduct heat
ability to burn
100
what is the result of the flowing of thermal energy from warmer to cooler objects?
What is heat
100
what is a material that does not let light pass through?
opaque
200
A change or reaction in a substance that results in a new substance
a chemical change
200
burning wood
chemical change
200
which state of matter always takes up the same amount of space and keeps its shape?
solid
200
what is Earth's main source of heat and light?
the sun
200
which of these would produce a low pitch and a loud intensity? baby crying child whispering large dog barking small dog barking
large dog barking
300
what change of state happens when a gas cools and becomes a liquid?
What is condensation
300
dissolving sugar in water
physical change
300
what type of property examines the traits of a substance by itself?
a physical property
300
which use of heat makes changes in matter? bathing bodies melting metals heating homes washing clothes
melting metals
300
what happens to sound in a carpeted room?
absorption
400
what state of matter has a definite volume but takes the shape of its container?
What is a liquid
400
baking bread
chemical change
400
what type of property involves how a substance interacts with other substances?
a chemical property
400
how is heat carried in an empty space, where there is no matter?
radiation
400
what happens behind a solid, opaque object when it is placed in front of a light source?
a shadow is formed behind it.
500
The amount of matter in an object compared to the space it takes up is called...
density
500
which of these is a clue that a chemical change is probably taking place? change in size change in color change in state change in shape
change in color
500
An object has a mass of 16 grams and a volume of 4 cubic cm. What is its density?
4g/ cm3
500
which of these substances is a liquid at -10 degrees celsius? iron mercury oxygen water
mercury
500
what happens when sound waves bounce off of a smooth surface and are reflected in a pattern?
an echo occurs
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