Endothermic vs. Exothermic reactions

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat to its surroundings.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs heat from its surroundings.

Front

In an exothermic reaction, what happens to the temperature of the surroundings?

Back

The temperature of the surroundings increases.

Front

In an endothermic reaction, what happens to the temperature of the surroundings?

Back

The temperature of the surroundings decreases.

Front

What instrument is commonly used to measure temperature changes in chemical reactions?

Back

Thermometer.

Front

What is an example of an exothermic reaction?

Back

Combustion of fuels, such as burning wood or gasoline.

Front

What is an example of an endothermic reaction?

Back

Photosynthesis in plants, where sunlight is absorbed.

Front

How can you identify an exothermic reaction?

Back

By feeling heat being released or observing an increase in temperature.

Front

How can you identify an endothermic reaction?

Back

By feeling cold or observing a decrease in temperature.

Front

What happens to the energy in an exothermic reaction?

Back

Energy is released to the surroundings.