Mr.Daniel's Science Test

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A characteristic that you can observe without changing the composition of the substance.
- Physical property
A chemical reaction that releases energy in the form of heat.
- Exothermic reaction
A chemical reaction which absorbs energy
- Endothermic reaction
Characteristic that cannot be observed without altering the substance.
- Chemical property
A change in which substances are changed into different substances.
- Chemical change
A change in which the form or appearance of matter changes but not its composition.
- Physical change
Signs that a chemical change has occurred:
- color change
- temperature change
- odor change
- gas change
- bubbling
- fizzing
- change in state
The smallest particle of an element
- Atom
The simplest type of pure substance. EX: hydrogen, oxygen, carbon
- Element
The positively charged particle of an atom.
- Proton
The negatively charged particle of an atom
- Electron
The neutral particle found in an atom

Neutron
A system used for organizing elements into categories based on how they react.

The Periodic Table
2 or more elements chemically combined. EX: water, carbon dioxide

Compound
Number placed to the lower right of a chemical symbol to indicate the number of atoms of the element in the compound.
- Subscript
The number of protons in the nucleus of an atom.

Atomic number
Shorthand method of representing elements.

Symbol
The sum of the protons and neutrons in the nucleus of an atom.

Atomic mass
Sour taste
(chemical/physical)

chemical
Rust
(chemical/physical)

chemical
Flammable
(chemical/physical)

chemical
Magnetic
(chemical/physical)

Physical
Tearing paper
(chemical/physical)

Physical change
wax melting
(chemical/physical)

physical
burning a candle
(chemical/physical)

chemical

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littlegremblin

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Card Set

Mr.Daniel's Science Test

Description

SLMS ALL STAR TEAM'S Mr. Daniels' Science test study guide.

Updated

2011-02-18T05:39:34Z

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