Exam (elaborations)
Alberta Grade 9 PAT Science Questions and Answers 2024
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Alberta Grade 9 PAT Science
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Alberta Grade 9 PAT Science5 Similarities between all living things: They________ - answer Are made of cells, need
energy, grow and develop, reproduce, have adaptations that suit them for their
environments.
Classification of life - answer Kingdom, Phylum, Class, Order, Family Genus Species
Parts of a niche - answer Diet,
Shelter, Reproduction strategy,
relationship with its ecosystem
Types of asexual reproduction - answer Vegetative reproduction,
binary fission,
budding,
spore prodution
Difference between fertilization and pollination - answer Pollination is specific to plants
and and occurs when pollen is transported from male part to female part, whereas
fertilization is when sperm cells get into egg cells
Four chemicals in DNA - answerThymine, Adenine, Guanine, Cytosine
Nucleotide is made of: - answersugar and phosphate
Who Created double helix model of DNA - answerJames Watson and Francis Crick
Mitosis process: - answerChromosomes duplicate,
cell splits
Meiosis process: - answerChromosomes duplicate,
exchange information,
cell splits,
splits again
How many chromosomes do humans have? - answer46
Strategies for conserving biodiversity: - answerProtected areas,
restorations of ecosystems,
resource-use policies,
controlling exotic species,
conserving genetic resources
, 9 electrical safety pointers: - answerKeep away from water,
don't use broken wires,
unplug before servicing,
put nothing but plugs into sockets,
don't overload circuit,
stay away from powerlines,
don't bypass safety features,
pull on plug, not cord,
don't remove third prong of plug
Similarities between electricity and water - answerBoth need a source,
both encounter resistance,
both need to be replenished,
both can be stopped/used up
How many electrons in a coulomb - answer6.25 billion
Ohm's law - answerAs long as temperature stays constant, resistance will be constant.
Current is directly proportional to volts applied
1 milliamp - answer1/1000 A
Galvanometer: - answerammeter for small currents
Series circuits divide ________ between loads - answervoltage
Parallel circuits divide ________ between loads - answercurrent
How to draw positive terminal on schematic diagram? - answerthe larger bar
Discovered relationship between magnetism and electricity - answerHans Christian
Oersted
Power - answerAmps x volts
Energy units - answerjoules
joules formula - answerwatts x seconds
Kilowatt hour formula - answerkWh= (Watts x hours)/1000
Law of conservation of energy - answerenergy cannot be created or destroyed
Efficiency of lightbulbs order (most to least) - answerLED, Compact fluorescent,
Halogen, Incandescent
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