Science Final Exam Part 3

How is heat transferred when boiling a pot of water on the stove?

• conduction

• convection

• combustion

• radiation

feet on hot sand

• conduction

• convection

• radiation

_____________ takes place when heated molecules move from place to place , taking heat with them.

• convection

• atmosphere

• radiation

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.

• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.

• When heat transfers from objects that are touching.

• When heat transfers through the heater or AC in your house.

What kind of properties can only be observed when a substance changes into a different substance?

• physical properties

• chemical properties

• liquid properties

• real properties

Is hammering wood together to build a house a chemical or physical change?

• chemical

• physical

Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

Is burning wood a chemical or physical change?

• chemical

• physical

What kind of energy is in a rock at the edge of a cliff?

• Potential

• Kinetic

What kind of energy is in a moving skateboard?

• Potential

• Kinetic