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1st Semester Vocab

Science Vocab

1st Semester Science Vocab By: Alex Muffler
Gloves Gloves protect your hands when handling chemicals and hot objects.
Safety Goggles Goggles protect your eyes from chemical splashes.
Graduated Cylinder Graduated Cylinders measure the volume of liquids or an object accurately.
Triple Beam Balance Balances measure the mass of an object.
Density Density is the mass per unit volume.
Mass Mass is the amount of matter in an object.
Volume Volume is the amount of space an object covers.
Proton Protons are subatomic particles in an atom's nucleus with a positive electrical charge.
Electron Electrons are tiny subatomic particles revolving around an atom's nucleus with a negative charge.
Neutron Neutrons are subatomic particles in an atom's nucleus with no electrical charge.
Physical Change Physical change is a change in shape or state of matter without a chemical change.
Chemical Change Chemical change is a change in chemical composition to form a new element.
Group Periods are horizontal lines on the periodic table of elements. Elements in a group have the same chemical properties and same number valence electrons.
Period Groups are vertical lines on the periodic table of elements. Elements in a period have the same number of electron shells.
Newton's First Law Newton's First Law says an object's movement doesn't change unless it is acted on by an unbalanced force.
Newton's Second Law Newton's Second Law says the acceleration of an object depends on its mass and the net force on it.
Newton's Third Law Newton's Third Law says for every action there is an equal and opposite reaction.
Unbalanced Force Unbalanced force occurs when unequal forces act on an object and the object moves.
Balanced Force Balanced force occurs when forces acting on an object are equal and the object doesn't move.
Speed Speed is the amount of distance traveled per time unit.
Created by: m0708018