Separation
Making Meaning
Experiments
Rapid Fire
1000 points for last
100

This would separate iron and sand.

What is a magnet?

100

The substance that gets dissolved in a solution.

What is a solute?

100

Vinegar and Baking Soda creates this gas.

What is Carbon Dioxide?

100

Why does mixing vinegar and baking soda create an irreversible change? 

  

What is, because it turns into carbon dioxide which you cannot reverse a gas reaction.

100

Sean wasn’t paying attention in the kitchen, and accidentally added cornstarch instead of sugar to the water while he was making lemonade. Is there a way he could get the cornstarch out and still be able to drink his mixture?  Is this mistake reversible or irreversible?

What is you can through filtering or decanting. It is a reversible process?

200

This would separate salt and water.

What is evaporation?

200

This is what a solute dissolves in.

What is a solvent?

200

Carbon dioxide is not...?

What is flammable?
200

 Give an example of a reversible change.

What is water, and ice?

300

This would separate mud and gold 

What is a sieve?

300

This is what a solute and solvent turn into when mixed.

What is a solution?

300

The invisible layer that forms on top of a liquid.

What is surface tension?

300

Give an example of a solution.

What is salt water?

400

To pour off the top layer without disturbing the layers below.

What is decanting?

400
Cereal and milk is a good example of this type of mixture.

What is a heterogenous mixture.

400

The force of attraction between particles of a substance.

What is cohesion?

400

 Give an example of a suspension.

What is sand and water?

500

A mixture in which very small particles of a solid remain without dissolving.

What is a suspension?

500

A type of homogeneous mixture in which the solute is evenly spread throughout the solvent, usually a transparent liquid.

Homogenous Mixture

500

If a liquid is tested with red and blue litmus paper and both papers turn red, that means it is...?

What is an acid?

500

Why does a drop of water stay in a dome shape, while some other liquids flatten out? 

What is surface tension from gravity and cohesion from the water molecules?