Changes in Matter

A combination of 2 or more substances that can be separated is called- 

• a mixture
• a solution 
• a solute 
• a solvent 

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

• Filter
• Screen
• Magnet
• Evaporation

To separate sand and iron filings you would use a  ___________.

• a screen strainer
• coffee filter paper
• a magnet
• your hands

What is salad?

• element
• compound
• heterogeneous mixture
• homogeneous mixture

To separate a mixture of salt and water what separation method is used?

• Filtration
• Distillation
• Magnetism
• Evaporation

A mixture is when you stir 2 items together & they form a new substance.

• True
• False

Tags

NGSS.MS-PS1-2

When one substance dissolves in another and the particles  are distributed uniformly throughout the other substance is a

• Mixture 
• Solution

When we combined the sand and water together, it formed a _________.

• mixture
• solution

Tags

NGSS.MS-PS1-2

Toothpicks are less dense than water. As a result, what would happen when placed in water?

• They would sink
• They would float
• They would dissolve
• They are not less dense

How are solutions and mixtures alike? 

• They are a combination of substances
• They are both chemically combined
• they cannot be separated 
• they have no similarities