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Biology 1
Chemistry
Biology 1
OPtics
Misc.
100
If you have enough red blood cells or if you have an infection (white blood cell number is up); plus lots of other things!
What could a doctor find out from a blood test?
100
IOnic; metal and nonmetal joined
What type of compound is NaCl, ionic or covalent? How do you know?
100
react to the environment, reproduce, made of cells, take in and transform energy
What are four features of life?
100
Cyan
What is the colour of light that results when green and blue are combined?
100
An uneven surface.
What causes diffuse reflection?
200
Take an antacid (weak base) to neutralize the acid.
How can you use acid base chemistry to help with heartburn?
200
Sulphuric acid has a low pH and will neutralize the high pH.
What acid might neutralize a cup of Draino, a cup of lemon juice or a cup of car battery acid (sulphuric acid)?
200
Check their pulse. Get an ECG.
How could you check someone's heartrate if you saw them collapse at the mall? How would a doctor in an ER check your heart activity.
200
Total internal reflection of light in the denser, cooler air.
What causes the "puddle on the road" illusion in the summer?
200
Yes; they scatter because of the rough surface.
Do light rays that scatter when they hit white paper obey the law of reflection?
300
Break the lens up with ultrasound and replace it with a plastic one.
How could you treat a cataract?
300
water and carbon dioxide
What are the two products of combustion of a hydrocarbon if lots of oxygen is present?
300
Holds chromatids together, organelle that produces spindle fibre, a pair of centrioles
What is a centromere, a centriole and a centrosome?
300
Green
If you had red, green and blue stage lights which light(s) would you use to make the magenta shirt black?
300
LCD and plasma.
What type of modern TV uses filters to subtract colours of white light and which type uses red, green and blue fluorescent lights?
400
They keep dividing rapidly, they don't specialize and they spread.
What are 3 features of a cancer cell?
400
covalent; both elements are nonmetals
What is carbon dioxide, covalent or ionic? How do you know?
400
all cells come from pre-existing cells, the cell is the smallest unit of life and all living things are made from cells
What are the 3 points of the cell theory?
400
Concave
What is the type of corrective lens used for a person with near-sightedness?
400
A digestive organ, grinds up food with little pebbles, a worm or bird
What is a gizzard, how does it work, who might have one?
500
Ground, meristematic, vascular and epidermis
What are the 4 types of plant tissue?
500
Reaction that neutralizations, rx that produce a precipitate, rx. that produce gases
What are three types of double displacement reaction?
500
A sphygmomanometer!
What is the fancy name for a blood pressure cuff?
500
Make up mirror, solar oven, flashlight. (Other answers possible)
What are 3 uses for concave mirror?
500
Laser surgery can reshape the cornea. Astigmatism
What is a procedure to fix a football shaped cornea? What is this problem called?