Separating Mixtures and Solutions

A combination of two or more substances in which no new matter is formed is a

• Solution

• Solute

• Solvent

• Mixture

A tablespoon of a substance was added to warm water and stirred. The result was that the substance could no longer be seen. We can conclude from the results that the substance–

Sugar cubes are being dissolved in a beaker of water. Which of the following changes would help the sugar dissolve faster?

• Freezing the solution

• Heating up the solution

• Add more sugar cubes

• Add larger sugar cubes

Tags

NGSS.MS-PS1-4

Describe a type of mixture that would require you to use a sieve in order to separate the mixture

What type of tool is this?

• Sieve/Strainer

• Filter

• Magnet

• Settling

Name this tool

• Sieve/Strainer

• Magnet

• Settling

• Filter

What is this an example of

• Filter

• Strainer

• Settling

• Magnet

Predict three things that will sink in water and three things that will float in water. How is density related to what sinks and what floats?

Imagine you are given an engineering assignment. Your task is to design a vessel that can transport gold (a high-density material) through the water. What materials would you use? Explain why you chose the materials you did.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Describe a mixture that would require you to use a magnet in order to separate it