EOG Science Review

What is the difference between a conductor and an insulator?

• An insulator allows electricity to flow through it easily and a conductor does not

• A conductor allows electricity to flow through it easily and an insulator does not.

• An insulator is magnetic and a conductor is not

• A conductor is magnetic and an insulator is not

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A great conductor of energy is:

• wood

• plastic

• metal

• cloth

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The handle of a frying pan is often coated in rubber because rubber provides...

• Heat insulation

• Heat conduction

• A low melting point

• A nonstick surface

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Conductors are materials that...

• Allow heat to pass through

• Stop heat from passing through

• Allow cold to pass through

• Stop cold from passing through

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An object that doesn't conduct heat well is known as:

• a conductor

• an insulator

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Thermal energy travels...

• Hot to cold

• Cold to hot

• Inside to outside

• Outside to inside

What is heat?

• a basketball team

• thermal energy

• electricity

• light energy

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If a rain drop lands in the ocean, it will eventually _______, and return to the clouds.

• condense

• evaporate

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Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

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A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?

• Texture

• Temperature
  

• Shape

•  Mass

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