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Air takes up space.
changes what the object looks like but you do not change what it is.
can be color, state, smell, and taste.
Chemical Properties of Matter
A chemical property
is a property that describes how a substance reacts with another substance.
is a change that forms
Wood burning is a chemical change ash is formed.
Eggs is a chemical change
Rust forms when oxygen combines with metals.
Statue of Liberty is copper and now it is green
Pg. 132 Review
Four physical properties of matter are color, taste, smell, state.
When observing a chemical property a new substance forming.
Snow melting is a physical change.
is the smallest bit of matter.
Atoms are made up of :
An electron is a particle with a negative charge.
is a positively charged particle. It weighs 1800 times heavier than an electron.
has no electrical charge and is located in the nucleus.
Review pg. 135
An atom is the smallest bit of matter
The proton and neutron are found in the nucleus while the electron is found in the outer orbits.
What are Elements? Pg. 136
is one of the 118 basic substances of matter.
O, H, Fe, Au, Cu,
C, Sn, He, Ag,
element cannot be broken down
into other kinds of matter by heat, light or electricity.
Water is not an element because it can be broken down into different atoms.
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