Can matter vanish?
No
If a pot of water is left to boil on the stove some of the water in the pot seems to disappear. Where does it go?
It turns into a gas
What are the 3 commons states of matter?
solid, liquid, and gas
In the video when 500 ml of water is mixed with 500 ml of isopropyl alcohol the result is 970 ml of liquid. Why?
Evaporation
What does melt mean?
A solid turns into a liquid
When you burn a log the ash weighs less than the log. Where did the matter go?
It is released as gas.
Give and example of a solid.
answers vary
What does evaporate usually mean?
A liquid or solid turns into a gas.
If you weigh a candle before and after it is burned would it weight the same or different? Why?
different because some of the matter will be burned off as gas.
Whats an example of matter?
answers vary
According to the Law of Conservation of Matter if you dissolve 25 grams of sugar into 150 grams of water the mixture should weigh how much?
175 grams
What does “conservation of matter” mean?
Matter can neither be created nor destroyed
Why did the soccer ball deflate in cold temperatures?
The particles get closer together
When dry ice is left out it appears to be smoking, what is actually happening?
Evaporation
Condensation forms on the outside of a cold glass of water where did this water come from?
Particles of water that are in the air.
When you mix sugar and water the sugar seems to dissapear. Where does it go?
It dissolves in the water.
How do you know that air is matter?
Answer vary example you can see it take up space in a balloon.
What does dissolve usually mean?
A solid mixes into a liquid.
Give and example of a liquid.
answers vary
Why did the fire snake weigh a little bit less than the ingredients it came from?
Some matter gets released as a gas.
What is the smallest possible unit of matter called?
A particle
Particles of matter cannot be seen because they are….
too small
Give and example of a gas.
answers vary