Exothermic Reaction

another term for burning

• Combustion

• Exothermic

• Fuel

• Dissipate

What are dissipated during combustion?

• fuel & light

• fuel & heat

• heat & light

• fuel & light & heat

1. What are needed for combustion to take place? (select all)

• fuel

• heat

• oxygen

• light

An exothermic reaction is one in which _____________ energy is given out than is put in.

• more

• less

The reactant of the reaction above

• magnesium

• magnesium & oxygen

• oxygen

• magnesium oxide

The product of the reaction above

• magnesium

• magnesium & oxygen

• oxygen

• magnesium oxide

The reaction above is the example exothermic reaction. We can tell because the temperature of the tube is

• hotter

• colder

• the same

Stored ______________ energy is changed to thermal energy, which dissipates into the environment.

• chemical

• light

• sound

• heat

The bonds between the atoms of _____________ and ______________ in the water break.

• oxygen and hydrogen

• potassium and hydrogen

• oxygen and potassium

• potassium and hydrogen

in an oxidation reaction a substance combines with ___________ and a new substance called an oxide

• oxygen

• hydrogen

• acid

• water