1. Welcome To
Big Board Facts

2. Today's
Topics
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3. weather
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4. rocks and minerals
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5. Magnetism
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6. Astronomy
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7. MICROORGANISMS
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8. Big Board Facts
Weather 5 10 15 20 25
Rocks and Minerals 5 10 15 20 25 5 10 15 20 25
magnetism 5 10 15 20 25
astronomy 5 10 15 20 25
microorganisms
Team Scores
Team One
Team Three
Team Five
Big Points
Question
Team Two
Team Four
Team Six

9. What is water vapor doing when it changes to water? Evaporating
Condensing
Precipitating
d) Freezing
Show Answer

10. b) condensing
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11. Where is most water found on Earth? In glaciers In lakes In rivers
In oceans
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12. d) In oceans
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13. What source of energy evaporates the most water from the Earth’s surface?
Volcanoes
Sun
Lightning
wind
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14. b) sun
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15. On what kind of day would you expect the most evaporation from the surface of a pond?
cold, rainy
cold, sunny
Warm, rainy
Warm, sunny
Show Answer

16. d) warm, sunny
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17. What does heat from the sun cause water to do?
Travel deeper into the soil
fall from clouds as rain
evaporate into the air
Change into a solid
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18. c) Evaporate into the air
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19. Rocks are pure substances; 73 minerals are not
Which of the following best describes the relationship between a rock and a mineral?
Rocks are pure substances; 73 minerals are not
Rocks are made from minerals
Minerals are made from rocks
Rocks and minerals are the same thing
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20. b) Rocks are made from minerals
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21. igneous—pressure and heat Sedimentary—erosion and weathering
Which of the following correctly matches a rock type with the process involved in forming the rock?
igneous—pressure and heat
Sedimentary—erosion and weathering
Fossils—molten rocks and magma
Metamorphic—heating and melting
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22. b) sedimentary—erosion and weathering
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23. Which one of the following is not characteristic of a rock? Layered
observable crystals
made of crystals
Homogenous (one element or compound
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24. d) Homogenous (one element or compound)
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25. Which one of the following is a crystal? Coal Topaz Limestone mudstone
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26. b) topaz
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27. Which one of the following is not crystalline? Quartz Sandstone
Diamond
obsidian
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28. d) obsidian
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29. What happens when two north poles of magnets are placed together?
They repel
They attract
They cancel each other out
The strength of the magnet is doubled
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30. a) They repel
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31. A magnetized paper clip
A circuit, coiled wire around an iron rod, and a switch are components of which of the following?
An electromagnet
A permanent magnet
A natural magnet
A magnetized paper clip
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32. a) An electromagnet
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33. What substance is attracted to a magnet? Silver Lead Water iron
Show Answer

34. d) iron
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35. What characteristics do magnetic substances have? They..
Can push or pull objects they are not touching
Are always black and cold to touch
Fall faster than other objects when you drop them
Can give a “shock” when you touch them
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36. a) Can push or pull objects they are not touching
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37. Which correctly shows an electromagnet being used in today’s society?
A compass pointing the correct direction
A crane lifting then dropping a metal car
A cupboard door staying closed
A magnetic bracelet being used for healing
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38. b) A crane lifting then dropping a metal car
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39. What happens when you see the moon’s “phases” change
What happens when you see the moon’s “phases” change? The moon appears to change..
Color
Location
Shape
distance
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40. c) shape
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41. How much time is required for the Earth to make one complete rotation?
One year
One month
One day and night
One hour
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42. c) One day and night
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43. Why doesn’t the moon shine as bright as the sun?
The moon is much smaller than the sun
The moon shines at night and the sun shines during the day
The light from the moon is reflected light from the sun
The sun is farther from the Earth
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44. c) The light from the moon is reflected light from the sun
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45. Why does the moon appear to move across the sky during the night?
It travels around Earth every day
Earth rotates on its axis
It is extremely far away
All objects in space are moving
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46. b)Earth rotates on its axis
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47. To land on each planet and report the conditions there
What is an important function of space probes, such as Voyager, as they travel in space?
To land on each planet and report the conditions there
To take pictures and send them back to Earth
To analyze what each planet is made of
To see if life exists on other planets
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48. c) To take pictures and send them back to Earth
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49. Virus and athlete’s foot Bacteria and strep throat Fungi and a cold
Which of the following correctly pairs a microorganism with the disease it creates?
Protozoa and the flu
Virus and athlete’s foot
Bacteria and strep throat
Fungi and a cold
Show Answer

50. c) Bacteria and strep throat
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51. How do bacteria help our bodies function?
They make our muscles and lungs stronger
They help to digest food in the intestines
They circulate in our blood and help carry oxygen
They make our skin flexible and clean
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52. b) They help to digest food in the intestines
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53. Paramecium and bacteria
Randy wants to start a cheese manufacturing plant. Which of the microorganisms below would be useful to him as he makes cheese?
Bacteria and fungus
Yeast and virus
Amoebas and algae
Paramecium and bacteria
Show Answer

54. a) Bacteria and fungus
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55. A good way to use microorganisms as a decomposer would be:
In a compost pit
For nitrogen fixation
Yeast raising bread
Making antibiotics
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56. a) In a compost pit
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57. Viruses cause the food to reproduce more viruses in your stomach
Why is it risky to leave leftovers out on the table for several hours and then eat them?
Viruses cause the food to reproduce more viruses in your stomach
Penicillin grows, killing the bacteria you need to stay healthy
Yeast grows rapidly, causing the food to emit a smelly gas
Bacteria begin to grow on the food and can make you sick
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58. d) Bacteria begin to grow on the food and can make you sick
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59. The "Big Points"
Question
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60. Light Energy:
Brian is wearing a red t-shirt. Why does it appear red?
All colors of the spectrum combine to form red
Blue and green waves are bounced off the shirt
The red waves of the visible spectrum are absorbed
The red in the visible spectrum is reflected 25 10 11 9 12 14 13 8 7 2 1 3 4 6 5 15 17 27 26 28 29 30 24 23 19 18 16 20 21 22
Show Answer

61. d) The red in the visible spectrum is reflected
To End

62. University of North Carolina at Wilmington All rights reserved.
Authored by
Jeff Ertzberger
University of North Carolina at Wilmington All rights reserved.
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