Term
| What is rotation? What does it cause? How long does it take on earth? |
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Definition
Planets spin on an imaginary axis like a top.
This causes day and night it takes 24 hours for the earth to complete one rotation. |
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Term
| What is a revolution? What does it cause? How long does it take on earth? |
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Definition
A planet's movement around the sun.
Revolutioin along with the tilt of the earth on its axis causes seasons.
It takes the earth 12 months to complete one revolution. |
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Term
| What is renewable energy? List 3 examples. |
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Definition
A natural, non-polluting energy source with an unlimited supply
Geothermal - uses heat from inside the earth
Solar - sun
Wind - windmills |
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Term
| What is nonrenewable energy? Give three examples. |
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Definition
An energy source wih a limited suppply that does not replenish itself
Example: Oil, natural gas, coal (FOSSIL FUELS) |
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Term
| What is potential energy? Give an example. |
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Definition
Energy stored by an object based on its position.
Example: Rollercoaster sitting at the top of a hill |
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Term
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Definition
Energy of an object based on its motion
Example: A rollercoaster speeding down the hill. |
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Term
| List the four tests to identify a mineral. |
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Definition
Color
Luster
Streak
Hardness |
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Term
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Definition
| A solid earth material made of various minerals |
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Term
| What are the three types of rock |
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Definition
Igneous
Sedimentary
Metamorphic |
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Term
| In which type of rock are most fossils found? |
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Definition
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Term
| Define the theory of plate tectonics. |
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Definition
| The theory that the earth's crust is made up of several plates hat are constantly moving. |
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Term
| What are convergent plates? |
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Definition
| Plates that move together |
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Term
| What are divergent plates? |
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Definition
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Term
| What are transform fault boundaries? |
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Definition
| Plates that grind or slide past each other causing earthquakes. |
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Term
| What is the main source of oxygen in the ecosystem experiment? |
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Definition
| The plants which give off oxygen as part of photosynthesis |
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Term
| List the control variables in the ecosystem experiment |
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Definition
Control variables - what makes the test fair. The things we keep the same every time
Example: same amount of gravel, water that was the same temp. |
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Term
| What is the experimental variable in the ecosystem experiment? |
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Definition
Experimental Variable - the one variable that is changed
Example - adding pollution to one of the ecocolumns to see how it affected the ecosystem |
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Term
| What type of pollution is affecting the lakes in the Adirondacks? Where is it coming from? |
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Definition
| It is acid rain. It comes from burning fossil fuels in factories and cars. The pollutant goes into the air, and then falls back to earth when there is precipitation. |
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Term
| Why is bacteria important in an ecosystem? |
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Definition
| It acts as a decomposer, breaking down dead plants and animals and turning them into nutrients in the soil. |
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Term
| What is an autotroph? Give an example. |
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Definition
An autotroph is an organism that makes its own food.
Example: algae, green plants |
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Term
| What is a heterotroph? Give an example. |
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Definition
| A heterotroph is an organism that must get its food by eating other living things. |
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Term
| Describe what abiotic means. Give an example |
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Definition
Non-living part of an ecosystem
Example: Water, rocks |
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Term
| What is the purpose of stream monitoring? |
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Definition
| To find out if the stream is polluted or not by looking at what living things are surviving in it |
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Term
Which organism in this food chain is the producer?
grass - mosquio - frog - snake |
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Definition
Grass
Producer - makes its own food
Consumers - mosquito, frog, snake |
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Term
| What is a dependent relationship? Describe one in the terrarium or aquarium. |
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Definition
A one-way relationship where one member of an ecosystem depends on another for survival.
Example - Fish needs water |
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Term
| What is an interdependent relationship? Describe one in the terrarium or aquarium. |
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Definition
When two members of the ecosystem both depend on each other for survival
Example: fish - needs oxygen, food - from elodea
elodea - need carbon dioxide - from fish |
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Term
| Describe what biotic means. Give an example |
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Definition
Living part of an ecosystem
Example: Bacteria, rat, fish |
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Term
| Illustrate the water cycle. Include the sun, evaporation, condensation and precipitation. |
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Definition
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Term
| illustrarte a land breeze, and describe the movement of warm and cold air. When does it occur? |
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Definition
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Term
| Illustsea breeze, and describe the movement of warm and cold air. When does it occur. |
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Definition
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Term
| Define and illustrate a front. |
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Definition
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Term
| Diagram weather symbols including a cold front, warm front, stationary front, and occluded front. how do we know which way the front is moving on a weather map? |
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Definition
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Term
| What are the layers of the atmosphere? In which layer does weather occur? |
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Definition
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Term
| Why does a hurricane form? |
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Definition
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Term
| When and where do most tornadoes occur? |
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Definition
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