Chemistry
Biology
Optics
Climate
Random
100
Baking a cake is an example of which type of change?
Chemical Change
100
What structure do plant cells have and animal cells lack?
Cell Wall
100
To form a real image on the retina at the back of the eye, the eye must act like a what?
converging lens
100
Carbon dioxide makes up what percentage of the Earth's atmosphere?
less than 1%
100
How many science courses are you required to take in Grade 11?
None
200
Lewis Dot Diagram
200
In which phase of mitosis are chromosomes pulled to the poles by spindle fibres?
anaphase
200
An object is placed 15 cm from a lens and an image forms at 30 cm. The magnification would be what?
Magnification of 2
200
The ozone layer that protects us from UV rays is located where?
stratosphere
200
The transfer of solar energy through outer space is an example of what?
Radiation
300
Ionic compounds are made between which type of elements?
A nonmetal and metal
300
The glucose that is a reactant in the process of cellular respiration is obtained by what system?
Digestive system
300
Bending of light as it changes speed in a new medium is known as what?
Refraction
300
Why is the natural greenhouse effect is a good thing?
keeps the Earth at a temperature hospitable for life
300
Cells perform respiration so that they can obtain what?
Energy
400
Name this compound: Ba(NO3)2
barium nitrate
400
"Apoptosis" refers to what process of a cell?
Death
400
Total internal reflection can occur when light is traveling:
from slower into faster medium
400
Heat melts reflective icecaps, which then causes more heat energy to be absorbed. What is this known as?
A positive feedback loop
400
What surface has the highest albedo?
Ice caps
500
What type of reaction is the following:
octane + oxygen → carbon dioxide + water
Combustion
500
Unspecialized cells that can become any type of cell are called what?
Stem Cells
500
To produce a virtual image with a converging lens, the object would need to be placed where?
between the focal point and the lens
500
The human activity that contributes most significantly to the anthropogenic effect is what?
burning of coal, oil, and natural gas