semester review

Front

What is a subscript in a chemical formula?

Back

A subscript is a number written below and to the right of a chemical symbol that indicates the number of atoms of that element in a molecule.

Front

What type of heat transfer occurs in the mantle of the Earth?

Back

Convection is the type of heat transfer that occurs in the mantle, where hot material rises and cooler material sinks.

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances, such as burning fuel.

Front

What type of heat transfer occurs during sunbathing?

Back

Radiation is the type of heat transfer that occurs during sunbathing, as heat is transferred from the sun to the skin.

Front

How do you calculate average speed?

Back

Average speed is calculated by dividing the total distance traveled by the total time taken.

Front

What is the formula for calculating average speed?

Back

Average Speed = Total Distance / Total Time

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature.

Front

What is radiation?

Back

Radiation is the transfer of energy through electromagnetic waves, such as light and heat from the sun.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.