Science: 7th Grade Year Long Review

An Atom

• is the basic building blocks of all matter in the universe

• Is the smallest building block of life

• Makes up everything in the universe including heat and light

• Is different from its component quarks that build together to make it.

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Proton, Neutron, and Electrons (shell)

• Subatomic Particles

• Compounds

• Molecules

• Types of Quarks

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Match the following

• Positive Charge

• Neutron

• This makes up most of the atom

• Shell

• Where electrons live

• Proton

• Negative Charge

• Empty Space

• Neutral Charge

• Electron

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The center of an atom or a cell

• Nucleus

• Protons

• Nucleolus

• Shell

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The positively charged subatomic particle of an atom

• Proton

• Neutron

• Electron

• Shell

The negatively charged subatomic particle of an atom

• Proton

• Neutron

• Electron

• Shell

The neutrally charged subatomic particle of an atom

• Proton

• Neutron

• Electron

• Shell

When you add the weights of a proton and a neutron, you get this.

• Atomic Mass

• Atomic number

• Atomic symbol

• Atomic Shell

When we represent atoms as little planets orbiting a nucleus like the orbits of a planet around a sun

• Bohr Model

• Cellular Model

• 3D model

• Shell model

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What is Letter A?

• Periodic Number

• Periodic Symbol

• Periodic Name

• Periodic Mass

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