What is a Mixture?
A mixture is made when two or more substances are combined. What makes a mixture different from a chemical change?
What is a mixture keeps its physical properties, but a chemical change creates a new substance?
What tool can you use to separate iron filings from sand?
What is a magnet?
What happens when you stir sugar into water?
What is the sugar dissolves into the water but does not disappear?
When sugar dissolves in tea, does the sugar disappear?
What is no, it just spreads out in the liquid?
Is a salad a mixture or a solution?
What is a mixture?
What is an example of a mixture where the substances do NOT dissolve?
What is trail mix, sand and water, or iron filings and sand?
How can you separate sand from water?
What is by using a filter?
What is the difference between a mixture and a solution?
What is a mixture keeps substances separate, but a solution has one substance dissolve into another?
If you mix 100g of water with 10g of sugar, how much does the solution weigh?
What is 110g?
Is lemonade a mixture or a solution?
What is a solution?
How can you prove that a mixture keeps the physical properties of its substances?
What is by separating the substances and showing they are the same as before?
What method can be used to separate salt from water?
What is evaporation?
What do we call the substance that dissolves in a solution?
What is the solute?
How can you prove that matter is conserved in a solution?
What is by weighing the substances before and after mixing?
Why does oil and water not form a solution?
What is because oil does not dissolve in water?
Why is a mixture like a bowl of cereal different from a solution like lemonade?
What is because in a mixture, you can still see and separate the parts, but in a solution, one substance dissolves?
You have a mixture of rocks, sand, and salt. What is the best way to separate all three substances?
What is using a strainer for the rocks, a filter for the sand, and evaporation for the salt?
What do we call the substance that does the dissolving in a solution?
What is the solvent?
What happens if you leave a glass of saltwater in the sun?
What is the water evaporates, but the salt is left behind?
Name a job where knowing how to separate mixtures is important.
What is a chef, scientist, or water treatment worker?
Give an example of how you could separate a mixture of salt and pepper.
What is adding water to dissolve the salt, then filtering out the pepper, and evaporating the water to get the salt back?
Why does using a magnet to separate iron filings work?
What is because iron is magnetic, but sand is not?
If you dissolve 5 grams of salt into 50 grams of water, what will the total weight be?
What is 55 grams, because matter is conserved?
Why is the weight of a solution the same before and after stirring?
What is because the solute is still there, just mixed in evenly?
How does knowing about mixtures help people in everyday life?
What is it helps with cooking, cleaning, and recycling materials?