Conservation of Matter and Energy

Front

What is the Law of Conservation of Matter?

Back

The Law of Conservation of Matter states that matter cannot be created or destroyed in an isolated system; it can only change forms.

Front

Why is the Law of Conservation of Matter important in science education?

Back

It provides a foundation for understanding how the world works.

Front

What is the relationship between mass and energy according to Einstein's theory of relativity?

Back

Mass and energy are interchangeable.

Front

How can the conservation of matter be observed in everyday life?

Back

When baking a cake, the ingredients change form but the total mass remains the same.

Front

What is essential for balancing chemical equations?

Back

The Law of Conservation of Matter.

Front

How is the Law of Conservation of Matter observed in photosynthesis?

Back

The mass of carbon dioxide and water equals the mass of glucose and oxygen.

Front

What is the Law of Conservation of Energy?

Back

The Law of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another.

Front

Give an example of energy transformation in a light bulb.

Back

In a light bulb, electrical energy is transformed into light energy and thermal energy.

Front

What is an example of a closed system in terms of conservation laws?

Back

A sealed container where no matter or energy can enter or leave.

Front

What happens to the total mass in a chemical reaction?

Back

The total mass remains constant before and after the reaction.