Science Quiz Grade 2

What is a pure substance?

• A. A substance made of only one type of atom or molecule

• B. A mixture of two or more substances

• C. A substance that can change its properties

• D. A substance that cannot be broken down into simpler substances

What is weather?

• A. The time of day

• B. The condition of the atmosphere at a particular place and time

• C. The type of clothing you wear

• D. A type of food

What is a mixture made up of two or more different substances called?

• A. A compound

• B. A solution

• C. A mixture

• D. An element

What type of mixture has different parts that can be seen?

• A. Solution

• B. Suspension

• C. Compound

• D. Element

What type of weather involves strong winds, heavy rain, thunder, and lightning?

• A. Tornado

• B. Heat Wave

• C. Hurricane

• D. Thunderstorm

What is a homogeneous mixture?

• A. A mixture that is evenly distributed throughout

• B. A substance that is made up of only one type of atom

• C. A mixture that is not evenly distributed throughout

• D. A substance that is made up of two or more different elements

What is a substance that is made up of only one kind of particle called?

• A. Element

• B. Mixture

• C. Compound

• D. Molecule

What type of weather occurs when water falls from clouds?

• A. Rain

• B. Wind

• C. Snow

• D. Sunshine

What is the type of mixture that looks the same throughout?

• A. Suspension

• B. Colloid

• C. Solution

• D. Compound

What is moving air called in relation to weather?

• A. Temperature

• B. Humidity

• C. Wind

• D. Precipitation