Integrated Science A Fall 2024 Exam

Front

What is the definition of motion?

Back

A change in position.

Front

Which element is the most abundant in the universe?

Back

Hydrogen.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout, such as saltwater.

Front

Give an example of a highly reactive element that reacts explosively with water.

Back

Potassium.

Front

What happens to atmospheric pressure as altitude increases?

Back

It decreases.

Front

What is the definition of a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

Define an element.

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.