Electricity
Ecology
Chemical reactions
Experimental design
Random
100
What is the unit of measurement for resistance?
Ohms (Ω)
100
What are the two types of factors that directly affect an ecosystem?
Biotic and abiotic
100
Name an observations that might indicate a chemical reaction has happened.
Colour change
Precipitate formation
Flame
Odour change
Release of heat
others...
100
Which of the following should always be included in the aim:
?, ! or .
?
100
Draw the symbol for a variable resistor
200
What is the ohm's law formula to find voltage?
200
What term is used to describe how energy in an ecosystem flows from one organism to another?
A food chain
200
Substances that register greater than 9 on the pH scale are considered to be A_______
Alkaline
200
What are the three key terms needed in a hypothesis
If, then, because...
200
What are the names of the previous Flinders Tyabb houses?
Hovea, Epacris, Correa, Acacia
300
The instrument used to measure current is the ____.
ammeter
300
Name three abiotic factors of a river ecosystem.
Water temperature
Salinity
Pollution
Water levels
Water current
others...
300
What are the products of any acid base reaction.
Water and a (ionic) salt
300
True or false: A discussion focuses only on the results section of an experimental design
False
300
How old is Mr. Leeson
27
400
As the resistance in a circuit increases, the electric current __________.
decreases
400
What percentage of energy is lost at each trophic level in an animal energy pyramid?
90%
400
What are two ways in which you could increase the rate of reaction? (no half points)
Catalysts
Increased surface area
Increased temperature
Increased concentration of reactants
400
Name all of the steps to creating an experimental design (50 points for each)
Aim, hypothesis, introduction, method, materials, results, discussion, conclusion.
400
What is Mr. Leeson qualified to teach up to VCE level?
Biology, Health and PE
500
If you add a second parallel circuit to your series circuit, what will happen to the brightness of the bulbs?
Remain the same
500
Name this ecological relationship:
Otters float and sleep on forests of kelp in the water. The kelp provides them a place to anchor in the moving water. The otters eat sea urchins, which normally feed on the kelp.
Mutualism
500
Provide an example of an exothermic reaction.
Combustion
Cellular respiration
Acid-base reaction
others...
500
What do you always try to answer in a conclusion?
The hypothesis
500
What are the names of Mr Leeson's two dogs?
Max and Milo