Natural or Processed
Permanent or reversable
Water Cycle
States of matter
Water Safety
100
This natural material comes from trees and is used to make paper.
wood
100
When water freezes into ice, what kind of change is it?
Reversible
100
Is water always moving.
Yes because of the water cycle.
100
What state of matter is honey?
Liquid
100
True or false wearing a life jacket in a pool is always needed.
False
200
This is a processed material made from sand and heat.
Glass
200
When you burn a piece of paper, what kind of change is it?
Permanent
200
The process where a liquid’s surface molecules gain enough energy to turn into gas (vapor) below the boiling point is called.
Evaporation
200
Which state of matter has a fixed shape and fixed volume?
Solid
200
Even a puddle of water is something I need to be safe around?
Yes you could slip.
300
Is cotton used to make a shirt processed or natural?
Processed
300
true or fasle Freezing and melting are reversible changes.
true
300
Explain what happens next
Condensation or formation of clouds
300
Which state of matter takes the shape of its container but keeps the same volume?
Liquid
300
If someone is in trouble in water I should save them myself?
No never put yourself in danger, call an adult..
400
Explain processed materials and give an example.
a natural material taken from earth and used to make something else.
400
You mix sugar into water and it “disappears.” What kind of change is this?
Reversible
400
Explain Precipitation
Water gets too heavy in the clouds and falls as rain, sleet, hail or snow.
400
What state of matter is the air inside a car tire?
Gas
400
True or False if a lake looks frozen it is safe.
False you must measure the ice thickness.
500
Indigenous people made many materials from natural materials give an example.
Baskets, shoes, clothes, sunglasses, arrows ect.
500
Cooking an egg is reversible or non reversible?
non reversible
500
Describe Condensation
the phase change where gas (water vapor) turns into liquid, occurring when molecules cool down, lose energy, and clump together
500
How do the molecules look inside a cold cup of water?
close together and still
500
What is an open body of water?
A water source without walls or a clear bottom