11/6 Do Now

A student draws a picture of soup. What could the student change in the picture to show that the soup is a mixture?

• The student could draw a napkin near the soup to show that it is a liquid that can spill.

• The student could draw a spoon in the soup to show it has been mixed.

• The student could draw a placemat under the bowl to show that it is hot.

• The student could draw different vegetables in the soup to show it has different parts.

Tags

NGSS.5-PS1-4

Students create mixtures in jars, as shown. Which jar contains a mixture called a solution?

• animal toys

• heart and star stickers

• pebbles and water

• salt and water

Tags

NGSS.5-PS1-4

Veronica dropped some small solid particles into a pure liquid as seen in the diagram. Which correctly labels X and Y in the diagram before Veronica begins to stir it and form a mixture?

• Part X is the solvent, and part Y is the solute.

• Part X is the solute, and part Y is the solvent.

• Part X is solution, and part Y is solvent.

• Part X is the solute, and part Y is the solution.

The diagram shows sugar cubes dissolving in a beaker of water. How do the contents of the third beaker differ from those of the other beakers?

• A. A new element was formed.

• B. A chemical reaction took place.

• C. The parts can be easily separated.

• D. The parts are equal throughout the liquid.

Tags

NGSS.MS-PS1-2

Which is the best description of a mixture?

• A. A glass of lemonade is a mixture because it is mostly water and is not separated easily.

• B. A bowl of pudding is a mixture because it is made of different substances that can be frozen.

• C. Pasta salad is a mixture because it is made of different substances that can be separated easily.

• D. Gold is a mixture because it is one type of substance that can be melted.

A student placed sand in a bowl and added pebbles to it. The student then stirred the contents of the bowl. Which statement correctly describes the contents of the bowl?

• It is a solution as it is a combination of two solids

• It is a solution as it can be separated into individual substances

• It is a mixture as both sand and pebbles keep their separate properties.

• It is a mixture as both sand and pebbles cannot be distinguished separately.

Mixtures are created when two or more ______ are mixed together.

• liquids

• substances

• changes

• rocks

Benjamin and Mia are having a fun science quiz! Can you help them figure out which of the following is NOT a mixture?

• Water

• Ketchup

• Kool-Aid

• Salad

Answer explanation

Water is a pure substance, consisting of H2O molecules, while ketchup, Kool-Aid, and salad are mixtures of different ingredients. Therefore, water is NOT a mixture.