Properties of Matter

Yadrian found a metal bar. Which list likely describes the most likely physical properties of the metal bar?

• Shiny and hard

• Soft and dull

This salad is made of different things like lettuce, tomatoes, radishes, onions, and lots more. Which term describes the salad shown in the picture?

• alloy

• mixture

• solution

Which one is an image of solubility?

• 
• 

Tags

NGSS.MS-PS1-2

Which object has a physical property that can conducts electricity?

• 
• 
• 

Tags

NGSS.MS-PS2-3

An alloy is a solution?

• True

• False

Answer explanation

An alloy is a substance made of two or more metals or of a metal and nonmetallic materials. To make an alloy, the ingredients are melted and mixed together. When the mixture cools, it hardens.

A solution is a mixture of two or more substances that stays evenly mixed.

• Agreed

• Disagreed

https://youtu.be/yjd1vGnWTUs

When the sea water dissappeared after it was boiled, what was left behind?

• nothing

• sand

• salt

Tags

NGSS.MS-ESS2-4

Solutions are see-through or evenly mixed so nothing is floating in the liquid?

• Yes

• No

In liquid mixtures, we can see particles floating in the liquid.

We can also identify 2 or more items combined together in a solid mixture.

• True

• False

Draw your favorite cereal. List if it is a solution or a mixture.