Trail mix is an example of this type of mixture.
What is a heterogenous mixture.
The BEST way to separate the following mixture of confetti:
What is "sorting" (using your hands or tweezers)
The very strong attraction between water molecules which allows water to bubble on a coin
What is cohesion
The most common gas in the air we breathe
What is
When one chemical changes its state of matter, the change is called
What is physical change OR reversible change?
A salty sea water has a pH of 8. This would be
What is Basic
This type of mixture looks the same throughout. Saltwater is a good example.
What is a homogenous mixture?
The BEST way to remove the oil from the rest of the salad dressing
What is:
decanting the oil off the top of the salad dressing
Why life can live in lakes in the winter, when ice has formed
What is burning fossil fuels to release CO2
The 5 types of evidence that a chemical change happened
What is: gas produced, energy change (hot or cold), precipiate formed, colour change, odour produced
A cup of black coffee has a pH of 5 and is considered...
What is Acidic
What term refers to anything that takes up space, has a mass and exists in gas, liquid or solid form
What is Matter
The BEST way to separate the sugar (kool-aid) from the water
What is: boil off all the water. The sugar mixture will remain.
The reason why a paperclip cannot float in soapy water
What is : soap gets in the way of water attractions to water, which means it cannot support the paperclip anymore
The benefits of plants
What is: they take in CO2 and give out oxygen (which we can breath in)
Curling hair with a curling iron would be considered what type of change
What is Physical
Pure water with a pH of 7 is considered to be
What is Neutral
Is the water in a saltwater solution the solute or the solvent?
Solvent
The BEST separation technique for the following mixture of sand and salt?
What is mixing it with water until the salt dissolves, and then decanting off the water from the sand (or then filtering it out)
Why oil and water do not mix
What is: the water is polar and can only mix with things that are polar, and oil is non-polar and can only mix with non-polar things
Why we talk to plants
What is: plants need our air (CO2) to make energy, and then release oxygen
Baking bread show what type of change(s)
Chemical change (bubbles produced, colour change, odour produced)
If red litmus paper turns red and blue litmus paper turns red, then the chemical is....
What is Acidic
The distance and movement of particles is different between solid, liquid and gas
What is:
How you can BEST separate the following mixture
What is: heat up the mixture until the jello turns to liquid, then scoop out the fruit (with a slotted spoon)
soap has a water loving (polar) end and a water hating (non-polar) end, which allows what event to happen
What is oil mixing with water OR cleaning the dishes
They type of mentos that makes the biggest bubble stream when mixed with a coke (also, which gas is produced)?
Fruit mentos AND it's CO2
What change could Mrs. Rushton not show you on "Demos Day"?
A precipitate being formed :(
If red litmus paper turns blue and blue litmus paper turns blue, what is the chemical's pH?
What is Basic