Thanksgiving Science

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and dissolving.

Front

What is a chemical change?

Back

A chemical change occurs when a substance transforms into a different substance with different properties. This often involves a chemical reaction.

Front

What is the melting point?

Back

The melting point is the temperature at which a solid becomes a liquid. For example, butter melts at a specific temperature when heated.

Front

What is the boiling point?

Back

The boiling point is the temperature at which a liquid turns into vapor. For example, water boils at 100 degrees Celsius at sea level.

Front

What is a biome?

Back

A biome is a large geographical area characterized by specific climate conditions, plants, and animals. Examples include forests, deserts, and tundras.

Front

What biome is Mississippi primarily classified as?

Back

Mississippi is primarily classified as a deciduous forest biome, which features trees that lose their leaves in the fall.

Front

What happens during the process of chopping vegetables?

Back

Chopping vegetables is a physical change because it alters the size and shape of the vegetables without changing their chemical composition.

Front

What happens when you eat vegetables?

Back

Eating vegetables involves a chemical change as the body breaks down the food into nutrients through digestion.

Front

What is force?

Back

Force is a push or pull on an object that can cause it to move, stop, or change direction. It is measured in newtons.

Front

What is an example of exerting force?

Back

An example of exerting force is when one person pulls a tablet away from another person, demonstrating a physical interaction.