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 chopping.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. Examples include burning, cooking, and rusting.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded. Each substance retains its own properties. Examples include salad and air.

Front

What is a biome?

Back

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

Front

What is an unbalanced force?

Back

An unbalanced force is a force that causes an object to change its motion. It results in acceleration or a change in direction.

Front

What is a balanced force?

Back

A balanced force is a situation where two forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.

Front

What is magnetism?

Back

Magnetism is a physical phenomenon produced by the motion of electric charge, which results in attractive and repulsive forces between objects.

Front

What is malleability?

Back

Malleability is the ability of a substance to be deformed or shaped under pressure, often by hammering or rolling.

Front

What are cacti?

Back

Cacti are a family of plants that are adapted to survive in dry environments, characterized by thick, fleshy parts that store water.

Front

What is gravity?

Back

Gravity is a force that attracts two bodies toward each other, commonly experienced as the force that pulls objects toward the Earth.