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2 nd Grade Science Review

2 nd Grade Science Review. Hanover County Public Schools 2010. 1. Which rock is a natural magnet? A) cement B) quartz C) magnetite D) garnet. Which tool would you use to find direction? F) meter stick G) thermometer H) flashlight J) magnetic compass.

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2 nd Grade Science Review

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  1. 2nd Grade Science Review Hanover County Public Schools 2010

  2. 1. Which rock is a natural magnet? A) cement B) quartz C) magnetite D) garnet

  3. Which tool would you use to find direction? • F) meter stick • G) thermometer • H) flashlight • J) magnetic compass

  4. The sidewalk was wet. Two hours later the sidewalk wasdry. • What happened to the water? A) It evaporated and became a gas. B) It condensed and became a liquid. C) It melted and became a liquid. D) It froze and became a solid.

  5. 4. Wanda filled her bicycle tires with air. Air is a— F) solid G) liquid H) gas J) form of water

  6. 5. You would most likely measure the mass of this feather using— A) pounds B) gallons C) inches D) grams

  7. 6. The plant part that pulls in water from the soil is called the— F) root G) stem H) leaf J) flower

  8. 7. This graph shows yearly snowfall in Hanover County. How much snow fell in 1993 in Hanover County? A) 6 inches B) 6 centimeters C) 8 inches D) 8 centimeters

  9. Mark wanted to know if seeds grow better in the light or inthe dark. He put some seeds on pieces of damp paper and— • F) kept them all in a light place. • G) put one group of seeds in a light place and another in a dark place. • H) put one group of seeds in a warm place and another in a cold place. • J) kept them all in a dark place.

  10. 9. The soil is hard and dusty. Ponds have dried up. It has not rained in a long time. What type of weather is this? A drought B flood C blizzard D hurricane

  11. 10. The Colorado River flows through the Grand Canyon. The water in the river causes pieces of rock to break off the canyon walls. Which process is being described? F) migration G) hibernation H) erosion J) dormancy

  12. 11. Heavy rains are washing away the soil. Which of these will help keep the soil in place? A) planting grass B) cutting down trees C) removing rocks D) adding water to the soil

  13. 12. Which of these animals is migrating? F) A bear sleeping through the winter. G) A bird flying south during the cold months. H) A frog covering itself with mud. J) An insect blending in with a leaf.

  14. 13. On a hot day, you see water droplets on the outside of your glass of iced tea. What causes the water droplets to appear? A) precipitation B) condensation C) evaporation D) freezing

  15. S N N S F) attract each other. G) expand around each other. H) repel each other. J) contract around each other. 14. Using this model, the two magnets will—

  16. 15. This owl is white so it can blend in with the snow. Thisis an example of— A) hibernation. B) migration. C) dormancy. D) camouflage.

  17. 16. Rocks in a stream tumble around and around. Over time the rocks will— F) dry out. G) become bumpy. H) become smooth. J) get larger.

  18. 17. Which of the following objects would be attracted to amagnet? AC B D

  19. 18. If you pour the liquid in container 1 into container 2, what would change? container 1 container 2 F) the shape of the liquid G) the color of the liquid H) the volume of the liquid J) the weight of the liquid

  20. 19. Water freezing in a crack in a sidewalk causes the crack to get larger because water __________ as it freezes. A) expands. B) condenses. C) evaporates. D) precipitates.

  21. 20. This mountain has become smaller over a long period of time. The rocks that make up the mountain have— F) been broken down by wind and rain. G) adapted so they are smaller in size. H) contracted to take up less space. J) migrated to other areas of the mountain.

  22. 21. The pictures show a bean plant at different stages of growth. In what order do these stages take place? A) 2, 1, 3, 4 B) 4, 2, 3, 1 C) 3, 1, 4, 2 D) 3, 2, 1, 4 1 4 2 3

  23. 22. Living things need shelter to survive. Which of these shelters is non-living? F) coral G) tree H) cave J) bush

  24. 23. Plants are important to other living things becausethey make— A) oxygen. B) soil. C) sunlight. D) water.

  25. 24. The first stage in a frog life cycle is— F) the adult stage. G) the egg stage. H) the tadpole stage. J) the pupa stage.

  26. 25. Snow melts in the spring because of heat from— A) the sun. B) active animals. C) growing plants. D) the soil.

  27. 26. In a box there is a mixture of iron filings and sand. Which is the easiest way to separate the iron filings from the sand? F) Pour water in the box. G) Use a magnifying glass. H) Use a magnet. J) Heat the sand and iron filings.

  28. 27. If you break a block of salt into pieces with a hammer, whatchanges? A the taste of the salt B the color of the salt C the smell of the salt D the shape of the salt

  29. 28. Earth’s rotation— F) causes photosynthesis. G) causes night and day. H) creates hurricanes. J) happens once a year.

  30. 29. What makes a shadow? A) sunlight shining on water B) a person looking in a mirror C) your hand in front of a flashlight D) standing in the dark

  31. 30. The picture shows two forms of sugar — cubes and apacket of loose crystals. SUGAR Sugar packet Sugar cubes Which form of sugar will dissolve faster in water? F) sugar cubes G) loose sugar H) both will dissolve at the same time J) sugar does not dissolve in water.

  32. 31. If you lived in a forest, what could you use from your environment to build your home? A steel B brick C plastic D wood

  33. 32. Several things were buried in wet soil. Twenty years later they were dug up. Which item might still be in one piece? F) a cookie G) a plastic cup H) a paper napkin J) an apple

  34. 33. When a fire destroys a forest, which of these things happens? A) More snow falls in winter. B) Deer have more food. C) Birds lose their homes. D) Lumber is made.

  35. 34. Look at the diagram below and name one characteristic that these animals have in common. F) slender G) smooth skin H) chubby J) four legs

  36. 35. Dan kept track of how many library books were checked by his class each week. Which week were the MOST library books checked out? A) week 1 B) week 2 C) week 3 D) week 4

  37. 36. A meteorologist studies weather data to— F) warn others about storms. G) find the distance from one city to another. H) draw pictures that show the seasons. J) find out which rocks are magnets.

  38. 37. Michelle feels the temperature drop outside. She thinks a storm is coming. What else might tell her that a storm is coming? A a drought B fewer clouds C a flood D stronger winds

  39. 38. These dogs’ fur gets thicker in the winter. How does this adaptation help the dogs? F) It helps them run faster. G) It helps them breathe. H) It helps them eat. J) It helps them keep warm.

  40. 39. How can you help STOP pollution? A) pick up litter and recycle B) leave the lights on in your house C) take long showers using lots of water D) dump oil into lakes and streams

  41. 40. The strings on a guitar move back and forth quickly to make sound. This is called— F) migration. G) vibration. H) hibernation. J) contraction.

  42. GREAT JOB!

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