Show:
physical science
life science
physical science
life science
Earth Science
100
Different properties
During a chemical reaction, atoms rearrange to form products with ____.
100
oxygen
What do we breathe in?
100
steel, brass, silver sterling
What are metals that are not pure?
100
bladder
where is urine stored?
100
the oceans
Where is most of the earth's water?
200
atoms
What is all matter made of?
200
the mouth
Where does digestion begin?
200
They are organized on the periodic table by their chemical properties.
How are elements organized?
200
urine
What do the kidneys convert urea into?
200
evaporation, condensation, and precipitation
What is the water cycle?
300
molecules
What do atoms form when they combine?
300
carbon dioxide
What do we release as waste in our lungs?
300
combustibility and reactivity
What are chemical properties?
300
sugar and oxygen
What do plants make and release?
300
clouds or fog
What does water vapor form?
400
Matter that has only one type of atom.
What is an element?
400
chop food into smaller pieces
What role do our teeth play in digestion?
400
Density, volume, color, change of state, texture, solubility, mass, weight, odor, and taste.
What are physical properties?
400
kidneys
Where does cellular waste get removed?
400
Most fresh water is in glaciers and is frozen
How is fresh water limited?
500
Rust, burning, cooking,(popcorn, cakes & cookies) and reactivity
What are examples of a chemical change?
500
releases saliva to break down sugars and starches
What role does your mouth play in digestion?
500
Using a heat source, you evaporate the water.
How do you separate salt and water?
500
It absorbs water and minerals (salt).
What role does your large intestine play?
500
Uneven heating of earth's surface
What causes wind?