Science and Misc...

Front

What is the largest ocean on Earth?

Back

The Pacific Ocean.

Front

What is a chemical change?

Back

A process where substances combine or break apart to form new substances, often accompanied by energy changes.

Front

Define 'uniform' in a scientific context.

Back

Having a single form in appearance, style, color, or texture.

Front

What phenomenon is created by the rapid expansion and contraction of air due to lightning?

Back

Thunder.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

Name one example of a physical change.

Back

Breaking a window.

Front

What is the primary cause of rusting in nails?

Back

The reaction of iron with oxygen and moisture in the environment.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not alter the chemical composition of a substance, while a chemical change results in the formation of new substances.

Front

What is the term for the process of water turning into vapor?

Back

Evaporation.

Front

What is the definition of 'ocean'?

Back

A large body of salt water that covers most of the Earth's surface.