SY 2018/ st Final Term Revision. Student s Name: Grade: 4A. Subject: Science

Transcription

1 SY 2018/ st Final Term Revision Student s Name: Grade: 4A Subject: Science

2 Q 1 Choose the Correct Answer: 1. Which statement best describes this picture? A. A population of elephants lives in the savanna. B. A community of elephants lives in the savanna. C. Elephants and grasses make up a savanna population. D. Trees and grasses are communities in a savanna ecosystem. 2. This picture shows the life cycle of a frog. How does a frog s niche change when it is fully grown? A. The frog uses legs to move and live on land. B. The frog uses a tail to move and live on land. C. The frog uses legs to swim and live in water. D. The frog uses a tail to swim and live in water.

3 3. The picture below shows a food chain. Which part of the food chain is missing? A. carnivore B. consumer C. herbivore D. producer 4. The pictures below show some animals you might find in grassland food chains. Which animal is the carnivore? A. 1 B. 2 C. 3 D. 4

4 5. Many household items are made from renewable resources. Which of these objects is made from a renewable resource? A. C. B. D. 6. Benjamin sfamily lives on a farm. The picture below shows how the family gets some of its electricity. Based on the picture, what type of resource is Benjamin s family using?

5 A. new B. nonrenewable C. recyclable D. Renewable 7. Which natural resource shown below provides water to and can be shared by many cities or states? A. afarm B. a forest C. a mine D. a watershed 8. Which picture shows an example of conservation? A. C. B. D.

6 9. Juanita watches a rain puddle as she plays outside. The figure below shows how the puddle changes while Juanita observes it during the day. What process is Juanita observing? A. condensation B. evaporation C. precipitation D. runoff 10. The table below shows temperature data collected in four different locations in the United States on January 1. Each location had precipitation during the period of low temperature. Location Low temperature ( C) A 11 B 6 C 31 D 3 Which location most likely experienced precipitation in the form of snow? A. A B. B

7 C. C D. D 11. Maria draws the following diagram of the water cycle. What should she label the process of water moving from the ocean to the atmosphere? A. condensation B. evaporation C. infiltration D. precipitation 12. A person observing weather conditions states that the wind in an area is blowing at 5 km/hr. Which tool could the weather observer have used to gather this information? A. C.

8 B. D. 13. The illustration below shows what a piece of hail can look like on the inside. Why do some balls of hail have layers? A. Water that freezes high in the atmosphere always forms layers. B. Raindrops freeze from the inside out, forming one layer of ice at a time. C. Cracks form layers in the ball of hail when the hail hits the ground. D. Each time a ball of hail goes up and down in a thundercloud, a layer of ice is added. 14. The following diagrams show the formations of air masses over different areas. Which air mass contains warm, moist air? A. C.

9 B. D. 15. The diagram below shows a location where two air masses meet. Which of the following does the diagram represent? A. an air mass B. a front C. a hurricane D. a prediction 16. Which symbol indicates a warm front? A. C. B. D. 17.Which population is found in a rainforest ecosystem? A. antelopes B. monkeys C. sponges D. zebras

10 18. In a rainforest, whydo fewer plants grow closer to the ground? A. Earthworms eat the plants living on the ground. B. Broad leaves keep rain from reaching ground soil. C. Vines allow little space for ground plants to grow. D. Little light gets through the canopy to the forest floor. 19. Earthworms live in soil. They eat rotting leaves and the remains of dead insects. Wastes from earthworms add nutrients to the soil. Earthworms are food for some birds. Which statement best describes the niche of an earthworm? A. Earthworms live in soil. B. Soil contains nutrients for plants. C. Earthworms use remains of insects found in soil as food. D. Rotting plants and remains of insects can be found in soil. 20. Which identifies the nonliving parts important in all ecosystems? A. air, heat, rocks, water, and soil B. air, water, soil, sunlight, and temperature C. salt, temperature, sunlight, heat, and rocks D. water, soil, sunlight, rocks, and shade 21. Food chains have three types of consumers. Which statement describes an herbivore? A. eats only plants B. eats only animals C. makes its own food D. eats plants and animals 22. In a swamp, rabbits eat marsh grass. Bobcats eat rabbits. How are the rabbits and bobcats interacting? A. Rabbits are prey and bobcats are predators. B. Rabbits are herbivores and bobcats are prey. C. Rabbits are consumers and bobcats are producers.

11 D. Rabbits are carnivores and bobcats are herbivores. 23. In a forest, deer eat plants. Snakes eat small animals and birds. Raccoons eat mice, insects, fruits, and plants. What is the raccoon? A. carnivore B. herbivore C. omnivore D. producer 24. In a desert food chain, wild pigs called peccaries eat cacti. Then coyotes eat peccaries. In a forest food chain, deer eat plants. Then wolves eat deer. How does energy move in both of these food chains? A. from producers to consumers B. from consumers to producers C. from scavengers to herbivores D. from consumers to consumers 25. In a grassland food chain, grasshoppers eat grass. Then meerkats eat grasshoppers. What is the main role of the grasshopper in this food chain? A. make a new habitat B. be a source of energy C. clear grass for space to live D. lay eggs to make more grasshoppers 26. Water is an important natural resource. Fresh water is used for homes and businesses. Salt water is used for recreation and fishing. What type of natural resource is water? A. human resource B. mineral resource C. renewable resource D. nonrenewable resource 27. Most automobiles are fueled by gasoline. Which nonrenewable resource is used to make gasoline? A. coal B. limestone

12 C. oil D. rock 28. Which natural resource is used for food production? A. soil B. coal C. wind D. rock 29. Which can cause a harmful change to an ecosystem? A. conservation B. pollution C. recycling D. reusing 30. Which of the following is an example of water conservation? A. setting aside land to make land refuges B. turning off lights when leaving the room C. turning off the tap while brushing teeth D. watering the lawn once a day 31. People cut down trees in a forest to build homes. Which is most likely to happen to the animals that live in that forest habitat? A. They will leave to find a new habitat. B. They will wait until the habitat grows back. C. They will find what they need in the habitat. D. They will learn new ways to live in the habitat. 32. A group of people camp in the woods. Which activity would be harmful to organisms living in the woods? A. cutting down a tree to burn in a campfire B. keeping trash off the land and away from the river

13 C. leaving the area exactly as they found it D. using a rowboat in the river 33. A scientist was studying frogs in a pond ecosystem. The scientist observed a fourwheel vehicle driving through a pond where a frog population lives. How will this vehicle most likely affect the frog population? A. The frog population will double because of it. B. The frog population will increase because of it. C. The frog population will decrease because of it. D. The frog population will not change because of it. 34. Water on Earth constantly moves between Earth s surface and its atmosphere. How does water arrive at Earth s surface? A. through runoff B. through evaporation C. through condensation D. through precipitation 35. Water exists in various states as it passes through the water cycle. Which form of water is the most abundant at any time in the water cycle? A. frozen ice B. water vapor C. liquid salt water D. liquid fresh water 36. Oceans receive fresh water from precipitation and rivers. Yet the sea levels of ocean do not change very much from these actions. Why are the sea levels affected so little? A. Water evaporates over the ocean s surface. B. Water seeps underground beneath the ocean. C. Water flows back into rivers from the oceans. D. Water is deposited back on land through ocean wave action.

14 37. Dahlia and Obi want to show how dew forms. Dahlia fills a cup with ice water, and Obi fills a cup with room-temperature water. They observe both cups for 5 minutes. What do you predict they will see? A. Dew will form on Obi's cup. B. Dew will form on both cups. C. Dew will form on Dahlia's cup. D. Both cups will be dry on the outside. 38. Consuela records the following information in her science journal: The temperature is 10 C, the wind speed is 5 km/hr, and the barometer reads 752 mb. Which of the following is Consuela describing? A. atmosphere B. climate C. precipitation D. weather 39. Precipitation is water that falls to Earth. Hail, sleet, rain, and snow are four types of precipitation. Which type of precipitation is most likely to occur when the cloud and air temperatures are several degrees above freezing? A. hail B. rain C. sleet D. snow 40. Lila observes that the sky is covered with a sheet of thick, gray clouds. What kind of weather is most likely to occur? A. rainy B. sunny C. very cold D. windy 41. Which of the following is the main cause of winds? A. high humidity

15 B. difference in air pressure C. lack of precipitation D. temperature differences 42. Radar uses radio waves to detect objects. It works by bouncing waves off objects to determine their location, size, and speed. For which of the following purposes do meteorologists use Doppler radar? A. to determine the location of storms B. to determine cloud type and humidity C. to measure average yearly precipitation amounts D. to determine the difference in temperature between two fronts 43. Evan watches the weather report on the news. The announcer states that an air mass formed over a tropical ocean is moving into the area where Evan lives. Which type of weather can Evan expect? A. cold and dry B. cold and wet C. warm and dry D. warm and wet 44. The weather in Sam s town has been cool and very cloudy for several days. Then, steady rain falls for a day, and the temperature gets warmer. What is the best explanation for this weather pattern? A. A hurricane has formed at sea. B. A warm front has moved through the area. C. A cold front is stalled over the area. D. An area of low pressure is moving in. 45. Which of the following best explains why storms occur along cold fronts? A. Cold air pushes warm air downward, causing condensation and cloud formation. B. Cold air pushes warm air upward, causing condensation and cloud formation. C. Warm air pushes cold air downward, causing condensation and cloud

16 formation. D. Warm air pushes cold air upward, causing condensation and cloud formation. Q 2: Read the statement, Put on correct and x on wrong: 1. All the living and nonliving things in an area and their interactions make up an ecosystem. 2. Living thing that makes its own food is called a consumer. 3. Lion is aherbivore. 4. Pollution happens when harmful substances mix with water is or soil. 5. Conservation is the use of more of something to make its supply last longer. 6. Water moves between Earth s surface and the atmosphere through a process called the Carbon Cycle. 7. Precipitation is water that falls from clouds to Earth s surface. 8. Water that is stored underground is called runoff. 9. Humidity is the amount of water vapor in the air. 10. The boundary between two air masses is called a polar. Q 3: Differentiate Between them: Community Population Producer Consumer Herbivore Carnivore Predator Prey Renewable Resources Nonrenewable Resources

17 Condensation Evaporation Cold Front Warm Front Q 4: Define Following Terms: 1. Habitat: 2. Niche: 3. Decomposer: 4. Omnivore: 5. Endangered Species: 6. Atmosphere: 7. Weather:

18 8. Air Mass: Q 5: Match each animal with the ecosystem where it lives: Q 6: Label each Picture with Consumer, Producer, and Decomposer:

19 Q 7: Draw lines to match the consumers to the foods they eat: Q 8: See the Pictures and label the animals as Predator or Prey:

20 Q 9: See the Pictures; Label each picture with Herbivore, Carnivore, Omnivore and Scavenger: Q 10: Circle the renewable resource:

21 Q 11: Match each natural resource with a product made from it: Q 12 Label each statement as helpful or harmful to the environment: 1. Cutdown trees. 2. Ride a bike. 3. Clean up water pollution.

22 Q 13: See the Pictures; Label each picture with Evaporation, Precipitation, and Condensation: Q 14: Draw the Picture of following types of Clouds: Cirrus Clouds Stratus Clouds Cumulus Clouds