Vocab
List at least THREE of the properties of matter.
The method for separating a mixture of sand and water
Pour the mixture through a screen or a filter; the salt will stay in the filter and the water will go out
Glass is magnetic.
FALSE
Why does oil float on top of water?
Oil is less dense than water.
I turn water into a sweet and colorful solution when I am mixed into it.
Kool-aid powder (or something similar)
The method for separating a Kool-Aid solution
What is evaporate the water. The water will turn into vapor (gas) and the Kool-Aid crystals will remain
A salt solution can be separated by pouring it through a paper filter.
FALSE
List at least two different electrical conductors.
Anything metal - example- copper penny, copper wire, paperclip
What happens when you TAKE AWAY HEAT from liquid water?
Water FREEZES into ICE
Method to separate a mixture of salt, powder, and gravel?
What is mix water with the ingredients. Place a screen on top of the filter. When you pour the mixture onto the screen, the gravel will get stuck on the screen. The powder will get caught in the filter, and the salt solution will go through. When you evaporate the water, you’ll have salt crystals.
A solution is a special mixture that can be separated.
TRUE - it is just not as easy
The toothpick would float because it is less dense than water.
I dissolve in water and you find me in ocean water at the beach. To get me out of water, you need to evaporate the water.
What is salt?
Give an example of a mixture.
Possible answers: trail mix, salad, lemonade, tools, school supplies in a pencil box, etc.
How would you separate a mixture of pebbles, steel BBs, and water?
Possible answer: Use a magnet to separate out the steel BBs, put the pebbles and water into a filter so the water goes out and the pebbles stay in
Drops of water forming on the outside of a glass of lemonade is a result of EVAPORATION.
FALSE - condensation
Explain what will happen if you mix hot cocoa powder into hot water AND WHY using science vocabulary.
The water will turn brown and taste sweet because the cocoa powder is SOLUBLE in water- it will dissolve into the water and create a solution.
I am not attracted to a magnet; I conduct electricity; and I am a type of money that is worth the least amount. (Say what I am AND what I am made of)
What is a copper penny?
Answer must contain ONE magnetic item and ONE non-magnetic item; example- wood and steel (magnetic metals are nickel, cobalt, iron, and steel ONLY)
A copper penny is a BOTH a conductor and magnetic.
False - Copper is not magnetic
Name the four types of metal that are magnetic.
Nickel, cobalt, iron, steel
I am a liquid used in cooking and I float on top of water because I am less dense than water. I usually am yellow-ish in color and I am pretty thick.
What is cooking oil?