3rd Six Weeks Pre-Test (Review)

Name 3rd Six Weeks Pre-Test (Review) Period 1 How can a model of the solar system be used in planning a trip from Earth to another planet? To estimate distance, travel time and fuel cost. B To anticipate the frequency and occurrence of meteorites and other objects in space. 2 Which of the following is NOT a limitation of the model? B size of the Sun size of the planets C distances between planets D number of planets C To map flight plans that avoid solar flare-ups and solar winds. D To predict possible emergencies astronauts may encounter during space travels. 1

3 Who developed the laws of planetary motion which laid the foundation for the future of space travel? 4 What work of Sir Isaac Newton helped others to understand and overcome the obstacles of modern space travel. Goddard The laws of Planetary motion. B Newton C Kepler B The discovery of gravity. C The invention of electromagnetism. D Galileo D The construction of simple rockets. 5 Which statement best describes the effect of microgravity on an astronaut s bone health? The amount of physical stress on bones increases, resulting in bone deterioration. B The amount of physical stress on bones decreases, resulting in an increase in bone density. C The amount of physical stress on bones increases, resulting in an increase in bone density. 6 n astronaut s suit provides for the basic needs of the astronaut. Which of the following is NOT an accommodation the astronaut s suit would provide? microgravity B insulation C air pressure D waste management D The amount of physical stress on bones decreases, resulting in bone deterioration. 2

7 How does the space suit backpack help astronauts breathe in a space environment? B It maintains air pressure to keep bodily fluids from boiling. It provides pure O 2 for inhaling and canisters to collect CO 2. C It stabilizes and internal temperature of 22 C (72 F). 8 The insulated feature of space suit layers are designed to - protect from radiation. B trap excessive CO 2. C regulate temperature. D provide pure O 2. D It collects urine and solid wastes. 9 Why do astronauts wear space suits in swimming pools before participating in manned space explorations? It allows them to work in a frictionless environment. 10 How does pressure in the astronaut s space suit help the body work? The suit forces blood to certain parts of the body to counteract the absence of gravity. B Gravity of water is similar to microgravity of space. B The suit acts as an external pacemaker to regulate the heartbeat. C The load of the backpack is lightened by water, allowing astronauts to more easily practice space tasks. D Wearing a spacesuit in water simulates the weightlessness of space. C The suit regulates gas exchange between the oxygen pack and the astronaut. D The suit monitors the amount of O 2 to CO 2 in the blood. 3

11 ll of the following are reasons why scientists use full scale models of space shuttles and the International Space Station before undertaking actual space missions EXCEPT - To master all aspects of in-flight operating procedures by crew and ground support. B To familiarize the crew members with emergency escape procedures. C To guarantee maximum safety and mission success, and to save the expense of an actual mission. D To more easily discard out-of-date technology and equipment. 12 The floating sensation astronauts experience while in a space environment is due to - zero gravity. B microgravity. C gravity. D loss of gravity. 13 s humans develop more powerful telescope, the number of planets - is decreasing B stays the same, there are no more new planets C increases D none of the above 4

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15 Deforestation, pollution, and over hunting can result in - 17 What is the MOST serious threat to biodiversity? increase in biodiversity. climate change B decrease in biodiversity. B global warming C no effect on biodiversity. D a state of equilibrium. C pollution D loss of natural habitat 16 Complete this statement. The more diverse an ecosystem is - the more threatened its populations are. 18 Plants have a hard time living in a desert. Which of the following is the primary limiting factor? elevation B the more similar the species will be. B space C the more stable it is. D the fewer varieties of species are present. C food source D moisture (water) 6

19 Examine the balances shown above. What is the mass of the worms on triple beam balance 1? 47g B 48.5g C 47.8g D 147g 20 ccording to the information provided on the triple beam balances above, which are will have the most fertile soil based on the amount of worms? 1 B 2 C 3 D 4 7

Two farmers decide to have a competition to see who could raise the most food for the animals on their farms. The first farmer only planted two high producing crops. The second farmer planted 16 different crops. crop crop crop crop 1 1 2 3 crop crop crop 5 6 7 crop crop crop crop 2 9 10 11 crop crop crop 13 14 15 Field 1 Field 2 crop 4 crop 8 crop 12 crop 16 21 To begin with Field 1 was out producing field 2. Then, a virus kills all of crop 2 plants. What would happen to the amount of the food produced by each farmer? 22 How are the farmers fields similar to how biodiversity allows an ecosystem to be stable? 8

Use the following two pictures to answer the two part question forest desert 23 deer s natural environment is a forest. Name two characteristics of that biome that allow a deer to live there. 24 Name two characteristics of a desert that makes it hard for a deer to live there. 9

25 Which ecosystem receives the least rainfall? tropical rainforest B desert C grassland D tundra 26 Organisms that live in a desert environment have which of the following adaptations? the ability to reproduce often B the ability to go without water for long periods C thick layers of fat and fur D the ability to swim 28 canopy, an understory, and an extremely high number of plant and animal species are characteristics of which biome? temperate rain forest B deciduous forest C desert D tropical rain forest 27 The picture shows organisms from one of the major biomes on Earth. Which biome are all of these organisms able to live in? tropical rainforest B tundra C ocean D desert 10

29 Scientists classify climates and biomes based on - latitude and longitude B latitude and elevation C temperature and rainfall D temperature and altitude 30 Which biome has low rainfall that supports grass but not large trees. Many organisms living there move great distances to graze and find water. desert B boreal forest C ice D grasslands 31 Picture D shows the first step of which process? wild fire B primary succession C secondary succession D man-made damage B 32 Which picture shows the last step of secondary succession? C D 11

33 Why does secondary succession occur faster than primary succession? fewer changes must occur in secondary succession B there are more pioneer species in secondary succession C the environmental conditions are more extreme in primary succession 34 Lichens and moss are the first organisms to grow after a volcanic eruption. These organisms are known as secondary species B primary species C pioneer species D succession species D there are more trophic levels in secondary succession 35 In which of the above scene s will secondary succession most likely occur? only B B only C C only D none 12

36 Which of the following sequence MOST likely represents ecological succession on a recently abandoned wheat field? grasse s flowering plants shrubs native trees B native trees shrubs flowering plants grasses C shrubs grasses native trees flowering plants D flowering plants native trees shrubs grasses 38 hurricane hits a coastal prairie and destroys the habitat. Years later there is an appearance of small plants with rapidly spreading roots on newly formed coastal sand dunes. This vegetation describes - describes - a microhabitat. B primary succession. C secondary succession. D biodiversity. 37 What is the relationship between ecological succession and equilibrium in an ecosystem? Ecological succession helps maintain equilibrium in an ecosystem. B Ecological succession prevents ecosystems from ever reaching equilibrium. C There is no relationship between ecological succession and equilibrium. D Ecological succession and equilibrium are the same thing. 39 The role of a pioneer species in primary succession is to change a bare habitat into one that is suitable for other organisms. species that is responsible for primary succession in an ecosystem is MOST likely able to - survive any predator. B migrate during the winter. C live at high altitudes. D carry out photosynthesis. 13

flower bed is created at a school so flowers can be planted in the Fall. 40 Over the summer it is uncared for. Which of the following could the students expect to find when they come back to school? B C D 14