Elements, Compound, and Mixtures Exit Ticket

The smallest unit of matter that keeps the identity of an element is a:

• Compound

• Atom

• Molecule

• Mixture

Which of the following is an element?

• Water (H₂O)

• Salt (NaCl)

• Oxygen (O₂)

• Carbon dioxide (CO₂)

From the stations which of these was a compound?

• Steel

• Soda/Energy Drink

• Baking Soda

• Salt Water

Tags

NGSS.MS-PS1-1

In the stations, the salad dressing was an example of a:

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Which of the following, from the stations was a homogeneous mixture?

• Baking Soda

• Salt water

• Beads

• Salad Dressing

What is the difference between a compound and a mixture?

• A compound is a physical blend, a mixture is chemically bonded

• A compound and a mixture are the same type of matter

• A compound is chemically combined, a mixture is physically combined

• A compound is always solid, a mixture is always liquid

Which of the following from the stations was a heterogeneous mixture?

• Salt water

• Sand and Rocks

• Baking Soda

• Vinegar

Which of the following is not an element?

• Helium (He)

• Gold (Au)

• Carbon (C)

• Water (H₂O)

Which of the following pairs are both compounds?

• Oxygen (O₂) and Salt (NaCl)

• Water (H₂O) and Carbon dioxide (CO₂)

• Iron (Fe) and Nitrogen gas (N₂)

• Hydrogen gas (H₂) and Oxygen gas (O₂)

Tags

NGSS.MS-PS1-1

A mixture that looks the same throughout, like sweet tea, is called a:

• Compound

• Homogeneous mixture

• Heterogeneous mixture

• Element