Classifying Matter: Elements, Compounds, and Mixtures

What hobby did Mr. Mitchuwich take up during COVID?

• Coding

• Gardening

• Cooking

• Painting

Why is it important to classify matter?

• To understand what things are made of

• To make things look organized

• To create new elements

• To sell them at a higher price

Tags

NGSS.MS-PS1-1

What is the first question to ask when classifying matter?

• Can it be separated by chemical means?

• Is it a solid or liquid?

• Can it be separated by physical means?

• Is it organic or inorganic?

What is an example of a mixture that can be separated by physical means?

• Gold

• Sand and iron

• Salt

• Water

What type of mixture is a can of Pepsi?

• Element

• Heterogeneous

• Homogeneous

• Compound

Which of the following is a heterogeneous mixture?

• Salt water

• Air

• Granite

• Gatorade

What is a solution?

• An element

• A type of heterogeneous mixture

• A type of homogeneous mixture

• A pure substance

What is the next question to ask if a substance cannot be separated by physical means?

• Can it be separated by chemical change?

• Is it a mixture?

• Is it a solid or liquid?

• Is it organic or inorganic?

What do we call a substance that cannot be broken down into simpler substances?

• Solution

• Compound

• Mixture

• Element

What happens when you electrolyze water?

• It becomes a solid

• It separates into hydrogen and oxygen

• It remains unchanged

• It turns into steam

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5