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Bradford Preparatory School

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Brad McKee, Science Teacher & Wrestling Coach



New Vocab Feb 19

Humidity- The amount of water vapor in the air

Dew Point- Temperature at which water vapor will start to condense out of the air as liquid water.

Cirro- A prefix meaning high altitude

Cirrus- type of cloud formed from ice crystals at high altitudes

Cumulo- A prefix meaning heaped

Cumulus- a  type of cloud that is puffy or heaped in appearance, has distinct edges.

Alto- a prefix meaning mid altitude

Stratus- type of cloud forming in horizontal layers and blankets the sky.

Fog- clouds that form at the surface of the earth.

Nimbo- A prefix meaning rain.

Nimbus- a suffix meaning rain.

Ecology Unit Test Jan 31

Topics to study








Trophic Levels - Producer, Primary consumer, secondary, tertiary

Food web vs food chain

Predator vs Prey







Gregor Mendel

Punnett Square



Continental Drift

Law of Superposition

Periods in order Precambrian, Paleozoic, Mesazoic, Cenozoic

Eons and Eras

Vocab Quiz 1/15

Energy- The ability to do work. 
Producer- organisms that can make their own food.
Predator-Prey Relationship- the energy of one organism passed on to another.
Photosynthesis- Energy from the sun captured by producers and turned into food energy.
Phytoplankton- tiny photosynthetic organisms, are the most common producers in the oceans and lakes. 
Chemosynthesis- when bacteria use chemical processes to produce food and get their energy from sources other than the sun. 
Glucose- sugar made by producers  through the process of photosynthesis. \
Parasitism- a relationship where one organism benefits and the other organism is harmed.
Mutualism-  A relationship where both organism benefit.
Comensalism- a relationship where one organism benefits and the other organisms is neither helped nor harmed.
Symbiosis- living things living together in a relationship. 

Vocabulary Quiz 1/6

We will have a 7th grade vocabulary quiz on Monday 1/6. Words students should know from before Christmas: (Also, found in Ck12 packet on Ecosystems). Abiotic Factors- Nonliving aspect of the environment.  Biogeochemical Cycle- Pathway of elements like carbon and nitrogen through the nonliving and living parts of the ecosystem. 
Biotic Factors- Living Aspects of the environment.
Consumer- Organisms that must eat or consume other organisms to obtain energy and nutrients. 
Ecology- The study of howl living organisms interact with each other and their environment. 
Ecosystem- All of the living and non living things interacting in the same area. 
Habitat- Ecological or environmental area where a particular species lives. 
Photosynthesis- Process by which specific organisms use the suns energy to make food. 
Population- Group of organisms belonging to the same species that live in the same area. 
Producer- Organisms that can absorb the energy of the sun and convert it into food through the process of photosynthesis. 

Unit Test Thursday Nov 7th

Students will have a unit test on Geology and Evolution on Nov 7. They will need to be sure and study all warm ups from Fri oct 25-wed oct 30. They also have guided notes they can look over about charles darwin and geologic column. 

Vocab Quiz 10/29

Students have a vocab quiz on 10/29 on the following words:
Continental Drift
Law of Superposition
Mid Ocean Ridge
Sea Floor Spreading
Normal Polarity
Magnetic Reversal
Reverse Polarity