Science Test
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1. Choose the magnetic materials
Plastic and iron
Steel and iron
Paper and cloth
Wood and silver
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2. As two magnets move further and further away from each other the strength of attraction
becomes weaker.
stays the same.
becomes stronger.
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3. Some beetles break down the remains of dead animals. Some mushrooms breakdown the remains of dead trees. How do these actions most benefit plants?
By returning nutrients to the soil
By releasing oxygen into the air
By making space for new animals
By decreasing the population of herbivores
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4. When humans move into an environment, what is a major impact of their presence?
More room for plants to grow
Changes in the climate
More homes for animals
Habitat destruction
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5. Over the past 100 years, which of the following has been most impacted by human activity?
Movement of tectonic plates
Atmospheric composition
Number of tsunamis
Volcanic activity
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6. A plant in the desert would most likely have which root system?
A small taproot with long root hairs
A small taproot with short root hairs
A large root system, close to the surface
A large root system, deep beneath the surface
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7. Burning coal, oil or natural gas releases this gas into the atmosphere.
Oxygen
Hydrogen
Carbon dioxide
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8. When surveyors find oil pockets in the ground, what other fossil fuel most likely will be in the same spot?
Coal
Gasoline
Natural Gas
None of the above
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9. We can reduce our need for fossil fuels by developing
new oil sources.
natural gas lines.
gasoline powered cars.
alternative energy sources.
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10. Conserving wetlands and reducing deforestation will help
protect habitats.
stop air pollution.
slow overpopulation.
eliminate exotic species.
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11. What is the most important reason endangered species should be protected?
People pay a lot of money to visit zoos and see endangered animals.
Protecting endangered species removes pollution from the environment.
Endangered species are viewed as unique by the people in the community.
When any endangered species dies it affects other animals within the ecosystem.
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12. Because conservation means using fewer natural resources and reducing waste, it helps
slow overpopulation and grow food.
prevent habitat destruction and reduce pollution.
prevent biodiversity and destroy specie.
stop exotic species and create habitats.
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13. Which statement below describes why different clouds are formed?
the way water condenses from a gas to a liquid produces different clouds.
the way water changes from a liquid to a gas produces a different type of cloud.
different weather conditions produce different clouds.
wind blowing from different directions produces different clouds.
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14. Where does the energy that powers the water cycle come from?
Plants
Animals
Electrical outlets
The sun
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15. Ninety-seven percent of the world's water resources are found in
fresh water.
salt water.
ice caps and glaciers.
groundwater.
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16. The area underground that contains groundwater is called a(n)
aquifer.
water table.
well.
water shed.
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17. Rain, sleet, hail, and snow are all part of the ______________ process in the water cycle.
transpiration
evaporation
precipitation
condensation
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18. The lowest layer of the atmosphere is the
Exosphere
Ionosphere
Stratosphere
Troposphere
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19. The atmosphere is made primarily of
Carbon dioxide
Oxygen
Nitrogen
Argon
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20. Energy from what source drives the atmosphere and hydrosphere?
The sun
Radioactive decay
Primordial coalescence
Chemical reactions
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21. Ozone is concentrated in the
Troposphere
Ionosphere
Mesosphere
Stratosphere
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22. In a food chain, there are decomposers, consumers, and producers. In a food web that has grass, hawks, grasshoppers, and snakes, the third level consumer is which of the following?
Grass
Snake
Hawk
Grasshopper
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23. In an ecosystem, how are food webs and food chains different?
Food webs begin with animals and food chains begin with plants.
Food webs rarely begin with plants and food chains begin with animals.
Food webs show the relationship between many different food chains in a single ecosystem.
Food chains show the relationship between many different food webs in a single ecosystem.
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24. Air pressure is measured with a(n)
Thermometer
Barometer
Anemometer
Psychrometer
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25. Magnets come in all shapes and sizes.
True
False
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26. Magnetism is a force
True
False
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27. Towns and cities often are established and grow where resources can be found.
True
False
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28. Deserts cover more than 1/3 of the Earth's surface.
True
False
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29. Desert temperatures do not vary very much between day and night.
True
False
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30. An oasis is a place in the desert where there is abundant water.
True
False
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31. Cirrus clouds bring fair weather
True
False
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32. Cumulonimbus clouds can produce thunderstorms.
True
False
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33. Stratus clouds are white, puffy clouds that look like pieces of floating cotton.
True
False
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34. Clouds are composed of small water droplets and/or ice crystals.
True
False
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35. Most of Earth's fresh water is in glaciers.
True
False
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36. Evaporation is the process that causes dew to form.
True
False
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37. Air pressure decreases as you go higher into the atmosphere.
True
False
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38. What is a decomposer?
An organism that eats plants only.
An organism that breaks down dead things.
A dead organism.
An organism that eats meat only.
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39. What are organisms called that make their own food with sunlight or chemical energy?
Producers
Consumers
Decomposers
Scavengers
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40. What is a consumer?
Organism that makes food.
Patterns of body colour that allow an animal to stay in hiding.
Organism that must eat to get energy.
Behaviour organisms inherited.
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41. Which living thing is a producer?
A fish
A dog
A turtle
A tree
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42. What do you call a consumer that eats producers?
Herbivore
Omnivore
Plants
Carnivore
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43. Which plants can survive in the desert?
Cactus, Oak Trees, Daisies
Cactus, Roses, Pine Trees
Cactus, Nara Bush, Yucca Plants
Cactus, Evergreens, Daffodils
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44. Which is the best description of animals that live in a desert ecosystem?
They are light-coloured, camouflaged to blend in, and are most active at night.
They are covered with fur to keep them insulated, and they require a lot of water.
They are equipped with webbed feet, and they stay in the water most of the day.
They are bright-coloured, easily seen in their surroundings, and active during the day.
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45. One of these is an example of natural resources:?
Factories, good roads, and a large population
Rich soil, forests, and minerals
Automobiles, dairy farms and governments
Stores, chemical companies and clothing factories
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46. Which of the following are NONRENEWABLE sources of energy?
wind, water, sunlight
water, wood, wind
sunlight and water
coal, oil, and natural gas
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47. Clouds are made of billions of
elements.
types of gases.
tiny water droplets.
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48. Which cloud looks like a sheet across the sky?
Cirrus cloud
Cumulus cloud
Stratus cloud
Cumulonimbus cloud
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49. Which type of the following clouds are high feathery clouds made of ice crystals?
Cirrus cloud
Nimbus
Cumulus
Stratus
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50. Which statement below describes why different clouds are formed?
The way water condenses from a gas to a liquid produces different clouds.
The way water changes from a liquid to a gas produces a different type of cloud.
Different weather conditions produce different clouds.
Wind blowing from different directions produces different clouds
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51. Water taken from plants on the earth's surface into the air is called which of the following?
evaporation
transpiration
condensation
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52. An organism which lives on or in another organism and derives it nutrition from that organism would be a
Autotroph
Heterotroph
Parasite
Saprophyte
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