Optics
The colour that is a combination of blue and green light.
Cyan
What is an example of an organ that is not useful in modern times?
wisdom teeth
is milk a solution or mehanical mixture
mechanical mixture
name of the warm ocean current that keeps England quite warm
the gulfstream
Name the left handers in class.
Patricia, Mohanie, MRs. S.
What mirror could you use to cook an egg on a camping trip.
A concave mirror.
Name of tubes in plants that conduct water?
xylem
What do you get when you heat fat and wood ashes?
Soap.
what is the angle of the Earth's tilt?
23.5 to the plane of revolution
What would be an average resting heart rate for an average teenager?
About 70 beats per minute
How would little red riding hood look if you had colour blindness?
Shades of grey.
Name a carnivorous plant
pitcher plant, venus flytrAP
What polyatomic ion did you discuss in history that was in the infamous Zyklon B gas that was used in the extermination camps. It is also used in mining and to fumigate.
cyanide
What gas is released when vinegar and baking soda are combined?
carbon dioxide
What is a normal blood pressure for an adult human?
120 over 80.
What optical phenomenon makes you think there is water on the road ahead on a very hot day?
Refraction and internal reflection
wHAT IS THE PURPOSE of saliva? List 2.
It makes food slippery. It helps to digest starch.
What colour are hydrangea flowers in acid, pink or blue?
Blue!
what are the names for hurricanes in other parts of the world?
cyclone and typhoon
What are the strange units for blood pressure?
millimeters of Mercury
What would be better to wrap yourself in if you were cold on a camping trip? Aluminum foil or saran wrap?
Aluminum foil
What vitamin does the skin make?
Vitamin D
How could you get heavy metals out of soil at an old mining site.
Add acid and the metals will become ions, then flush them out with water.
what northern site do they get ice cores from?
Greenland
bonus: why doesn't food go down your trachea when you swallow?
a flap called the epiglottis covers the entrance to the trachea when you swallow