TNReady Science Practice

What does the atomic mass tell you? 

• Basically,the number of electrons and protons

• The number of neutrons

• Basically, the number of protons and neutrons

• The number of protons.

The atoms we study in 6th grade are neutral, which means they have the same number of

• protons and electrons

• protons and neutrons

• electrons and neutrons

What does the 6 represent?

• atomic mass

• atomic number

• element name

• chemical symbol 

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Force due to the action of gravity

• magnetic force

• gravitational force

• electrical force

• molecular force

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It refers to the number of waves passing through a point per unit time.

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These waves are electromagnetic waves whose frequency falls within the radio spectrum.

• radio waves

• sound waves

• frequency waves

• heat waves

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These waves are used in wireless telegraphy, telephone transmission, television, radar, navigation systems, space communication, and radio broadcasting.

• frequency waves

• heat waves

• sound waves

• radio waves

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"For every action, there is an equal and opposite reaction."

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

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A Newton is a unit of...

• force

• inertia

• acceleration

• velocity

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Which part of the cell is considered to be "selectively permeable" because it allows certain things to enter or leave the cell?

• Cell Membrane

• Nucleus

• Lysosome

• Cytoplasm

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