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Science 7
Cumulative Test #1 (Units 1 and 2)
Part 1: Multiple Choice Thursday, January 26th (Day 8, Period 1)
Part 2: Short Answer
Friday, January 27th (Day 9, Period 3)
UNIT 1
Chapter 1
Terms to Know:
Ecology
Biotic
Individual
Habitat
Ecosystem
Species
Population
Niche
Abiotic
Organism
Community
Range of Tolerance
Questions:
1.
Are all ecosystems large? Explain.
2.
a)
b)
3.
What four (4) ecosystems exist within Newfoundland and Labrador (Atlantic
Canada)?
Describe the abiotic and biotic factors that exist in each ecosystem.
Be sure to include both plants and animals when describing the biotic factors.
How do the following abiotic factors affect the biotic factors in an ecosystem?
- Sunlight
- Air
- Soil
- Water
- Temperature
- Wind
Be sure to relate your answers to and organisms Range of Tolerance.
4.
Draw a diagram showing how the biotic parts of an ecosystem are organized.
Use examples of specific organisms to support your diagram.
Page 1
5.
What is the difference between an organism’s habitat and niche?
Use an example to support your answer.
(Remember to include three factors when describing a niche).
6.
What are the three types of interactions between biotic and abiotic factors in an
ecosystem?
Include an example with each interaction to support your answer.
Chapter 2
Terms to Know:
Symbiosis
Commensalism
Decomposers
Food chain
Omnivore
Ecological pyramid
Parasitism
Producers
Microorganisms
Herbivore
Scavenger
Pyramid of energy
Mutualism
Consumers
Photosynthesis
Carnivore
Food web
Nutrient cycle
Questions:
7.
Give examples of parasitism, mutualism and commensalism.
8.
Identify the niche (role) of producers, consumers, and decomposers in a local
ecosystem. Give examples of each organism. (Be able to identify each organism when
given a list).
9.
Describe the process of photosynthesis.
10.
Be able to construct simple food chains using local examples (see sample test).
Classify the organisms within food chains as producers, herbivores, carnivores and
omnivores.
11.
Describe how energy flows through a food chain/food web.
12.
Which part of a food chain/web has the greatest amount of energy? Least amount of
energy?
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13.
How much energy is transferred at each level of the food chain? What happens to the
energy that is not transferred?
14
How are nutrients cycled through the abiotic and biotic parts of an ecosystem?
Use carbon as an example.
15.
What role do decomposers play in the nutrient cycle?
Chapter 3
Terms to Know:
Succession
Primary succession
Native species
Pioneer species
Secondary succession
Climax community
Introduced species
Questions:
16.
What are three major differences between primary and secondary succession?
17.
Construct a flow chart of images to illustrate the changes occurring during primary and
secondary succession. Include:
Bare rock to forest (primary)
Forest re-growth after fire (secondary)
18.
Describe the ecosystem changes that occur in the examples above. Include:
Soil composition
Plant types
Animal types
Amount of light
19.
Describe how humans have influenced the environment. Include:
Habitat loss/ destruction
Harvesting resources
Pollution
Introduced species
20.
What are the pros and cons of habitat conservation? Briefly describe each.
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UNIT 2
Chapter 4 and 6
Terms to Know:
temperature (two definitions), liquid thermometer, resistance thermometers,
thermographs, bimetallic strip (thermostat), thermocouple, resistance
thermometer (digital thermometer), infrared thermometer, matter, kinetic
energy, hypothermia, thermoscope, Fahrenheit, Celsius, Kelvin, bulb, scale,
states of matter (solid, liquid, gas), expansion, contraction, particle theory of
matter, melting, freezing, evaporation, melting point, boiling point,
You should be able to complete the following:
1.
Predict and identify temperatures of various everyday objects. Include:
- freezing point of water
- boiling point of water
- human body temperature
- room temperature
- refrigeration temperatures
- cooking temperatures
- daily temperature changes
- average temperatures in different geographic areas
2.
Estimate the average temperatures of objects.
3.
Explain how body temperature can indicate health.
4.
Provide examples of measuring technologies used in the past (Galileo’s air thermometer)
5.
Describe various instruments used to measure temperature. Include:
Liquid-in-glass thermometer
Thermocouple
Resistance thermometer (digital thermometers)
Bimetallic strip (thermostat)
Infrared thermometer
6.
Identify 3 scales used to measure temperature.
7.
Be able to label and correctly read the temperature on a thermometer.
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9.
State the particle theory of matter.
10.
Know how the 3 states of matter differ in:
- volume
- shape
- particle arrangement
- particle movement
11.
Describe the three states of matter using the Particle Theory of Matter in terms of particle
arrangement and movement.
12.
Explain changes of state using the Particle Theory of Matter. Include:
Melting
Freezing
Evaporation
13.
Describe the idea of expansion and contraction (for example: using the metal ball and ring
model)
14.
Given a heating or cooling curve, explain the processes or change of states that could be
occurring.
Chapter 6
Terms to Know:
Conduction
Convection
Convection currents
Heat
Insulators
Radiation
Specific heat capacity
Thermal conductivity
Thermal energy
Temperature
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You should be able to complete the following:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
How does conduction occur?
In which state of matter does conduction occur? Why?
How is heat transferred through a solid like a frying pan?
Why does convection not occur in solids?
Provide 2 examples of convection currents.
What are the 7 main groups of electromagnetic radiation?
When radiant energy strikes an object what determines whether it gets warmer or remains
cool?
What are the main methods of heating homes?
Why does most cookware have copper bottoms?
What are some methods used for insulating your home?
How are heat and temperature different?
Be able to calculate heat and temperature of an object given a diagram like in your notes.
What influences both the heat and temperature of a substance?
Be able to label the following diagram:
You are also responsible for notes and questions assigned in class.
Other Notes:
Be sure to read chapters 1-6 in the textbook and review your notes, lab and other work
completed in class (including chapter tests and sample tests).
Note that all material covered in class may appear on the test, even if not explicitly stated on
the review.
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