Mixtures and Solutions

Which tools are best for separating a mixtures of sand, iron filings, and water?

• Hot plate and filter

• Tweezers and filter

• Filter and magnet

• Magnet and hot plate

Which mixture can be separated using a filter?

• sand and iron filings

• saltwater

• sand and water

• none of the above

Which of the following mixtures can be separated with a magnet?

• sand and salt

• sand and iron filings

• sugar and water

• saltwater

A mixture of iron filings and chalk dust is placed on a plate. Which of the following could be done to gather the iron filings?

• Pour the mixture into a funnel

• Put the mixture in a pot on the stove

• Run a magnet over the mixture

• Filter the mixture through a strainer

Which change occurs when a powdered drink mix is mixed with water?

• The water becomes a solid.

• The volume of the water decreases.

• The powdered drink mix spreads evenly in the water.

• The mass of the powdered drink mix decreases.

Tags

NGSS.MS-PS1-2

In which mixture do all the ingredients maintain their physical state?

• Mixtures 1 and 4

• Mixtures 2 and 4

• Mixtures 3 and 4

• Mixtures 1 and 3

Claire has sugar, gravel, pancake syrup, and a powdered drink mix. She stirs 15g of each into 100 ml of water to create four different mixtures. Which mixture can be separated using a strainer?

• the powdered drink mix and water

• the sugar and water

• the gravel and water

• the pancake syrup and water

Caylee is making lemonade with water, sugar, and lemon juice. She mixes the ingredient in a glass. What will happen to the properties of the sugar?

• the sugar will sink to the bottom glass and form a mixture

• the mass of the sugar will increase

• the sugar will dissolve forming a solution

• the sugar will develop a rough texture

Tags

NGSS.MS-PS1-2