This is the measure of light reflected from a surface
What is albedo?
100
The interaction between living and non-living.
What is an ecosystem?
100
These four things affect the rate of reaction
What are catalysts, temperature, surface area, and concentration?
100
A car travels 110-km with a speed of 25 km/h. How long was the car travelling?
What is 4.4 hours?
200
The movement of water through soil
What is percolation?
200
These are two examples of how energy is lost as we travel up trophic levels.
What is heat loss and energy used in catching prey
200
All different species living together
What is a community?
200
The formula for iron (II) arsenide
Fe3As2
200
A car travels 22-m in 4.1 seconds. What is its speed?
What is 5.4 m/s
300
The movement of nutrients through soil.
What is leaching?
300
The ice-albedo positive feedback loop whereby melting snow exposes more dark ground (of lower albedo), which in turn absorbs heat and causes more snow to melt. This is an example of _______ _________.
What is positive feedback?
300
The basic unit of diversity
What are species?
300
The chemical formula for ammonium chromate
What is (NH4)2CrO4
300
What is a vector?
What is a value that has magnitude and direction?
400
Soils are composed mainly of these four things.
What are water, air, organic matter and rock
400
The overlap between two ecosystems.
What is an ecotone?
400
This diagram shows the transfer of energy amongst trophic levels.
What is a food pyramid?
400
The formula for strontium permanganate
What is Sr(MnO4)2
400
The slope of a displacement-time graph represents...
What is velocity?
500
The term for non-living organisms
What is abiotic?
500
Blinking your eyes prevents them from drying. This is an example of this type of feedback.
What is negative?
500
This type of chemical reaction releases carbon dioxide.
What is combustion?
500
The name for Mn2(SO3)7
What is manganese (VII) sulfite
500
Mr. Nolletti drives to Stanley each morning from Fredericton. The two cities are about 50 km apart. How fast must Mr. N drive if he leaves at 7:30 and he wants to arrive at 7:55?