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Science Review checklist Part Two
Cover the right column with a piece of paper or your hand. Answer
the question and check your answer. Each time you answer
correctly, put a check in the little box. By test time, you'll want a
check in each of the boxes.
Cover these answers!
1. Sound is a form of energy produced by:
vibrating matter
2. Sound travels in:
waves
3. The ______ of a sound is the number of
vibration in a given time.
frequency
4. An object vibrating faster will have a higher frequency and a
higher:
pitch
5. Sound is a ______ wave.
compression
6. The distance between
compressions, or between the peaks
of two waves is the:
wavelength
7. What kind of matter does sound travel through fastest?
solids
8. Sound travels slower through gases than through liquids and
solids because the molecules in gases are:
farthest apart
9. Dogs, bats and other animals can hear ________ sounds that
humans cannot hear. Whales can hear lower frequency sounds.
high frequency
10. Musical instruments _____ to produce sounds.
vibrate
11. An instrument that uses sound echoes to
measure see the ocean floor or underwater
objects is a:
sonar
12. _______ is a combination of several different wavelengths of
light traveling together.
white light
13. The wavelengths of light from longest to shortest are red,
orange, yellow, green, blue, indigo, violet. To remember this we
use:
Roy G. Biv
14. The color light with the longest wavelength is:
red
15. The color light with the shortest wavelength is:
violet
16. Light travels much _____ than sound through the atmosphere. faster
17. It takes light from the sun _______ to travel 150 million km to
Earth.
81/2 minutes
18. Light travels in straight paths called:
rays
19. Light travels fastest through:
a vacuum or empty space
20. When light bounces off an object, it is:
reflected
21. When light bends, it is:
refracted
22. When light passes through an object, it is:
transmitted
23. Light passes easily through a window because the glass is:
transparent
24. Some light can pass through wax paper. Wax paper is:
translucent
25. Light can't travel through a wall. A wall is:
opaque
26. When white light passes through a ________
, the different wavelengths bend at different
angles, so we see a rainbow of colors.
prism
27. A concave and convex lenses
bend or _____ light.
refract
28. There are over 100 pure substances, called:
elements
29. The smallest part of an element is an:
atom
30. When two of more elements combine to make a completely
new substance, it is called a:
compound
31. The smallest part of compound is a:
molecule
32. H2O is a compound known as:
water
33. NaCl (Sodium Chloride) is a compound called:
salt
34. Substances that combined but can be separated again are
called:
mixtures
35. A mixture in which one substance dissolves in another is
called a:
solution
36. Sugar mixed into water is a_______ because if the water
evaporated, the sugar would remain in the container.
solution (a type of mixture)
37. The three states of matter are:
solid, liquid, and gas
38. If you heat a solid, it may:
melt into a liquid
39. If you heat a liquid, it may:
evaporate into a gas
40. If you cool a gas, it may _______ into a liquid.
condense
41. If you cool a liquid, it may ______ into a solid.
freeze
42. Clouds, dew, water droplets on the outside of a
glass on a hot day, are all caused by:
condensation
43. When you heat matter, the atoms and molecules:
move faster and usually
spread apart
44. In a solid, the molecules are:
tightly packed and barely
moving
45. In a gas the molecules are:
moving fast and spread
apart
46. Living things are made of:
cells
47. Using a ______ you can see many parts of a cell.
microscope
48. Plant cells tend to be:
rectangular
49. The control center of the cell is the:
nucleus
50. The jellylike substance in a cell is the:
cytoplasm
51. The water and waste storage sacs in a cell are called:
vacuoles
51. The outer layer of an animal cell is the:
cell membrane
52.53. Plant cell have cell membranes but they have another stiff
outer layer called the:
cell wall
54. Plants cell also have _____ which hold chlorophyll needed for
chloroplasts
photosynthesis.
55. Name the 5 kingdoms of living things.
Plants, Animals, Fungi,
Monera, Protists
56. To which kingdom to bacteria belong?
Monera
57. To which kingdom to mushrooms belong?
Fungi
58. . To which kingdom do most algae belong?
Protists
59. Are most plants vascular or nonvascular?
Vascular
60. Plants that do not have special veins to transport food and water
nonvascular
are:
61. Name a nonvascular plant.
moss
62. Animals with backbones are:
vertebrates
63. Animals without backbones are:
invertebrates
64. Snakes, lizards and fish are:
vertebrates
65. clams, squid, worms and insects are:
invertebrates
66. The ocean covers how much of the Earth?
70%
67. The shallow parts of the ocean floor at the edges of the
continents make up the:
continental shelf
68. The salinity of the ocean varies. Salinity means:
saltiness
69. Wind patterns and different water densities cause:
ocean currents
70. As the depth of the ocean increases, what else increases?
water pressure
71. As the depth of the ocean increases, what decreases?
temperature and the
amount of light
72. An ocean current which carries warm water from the equator to
Europe is:
The Gulf Stream
73. The greatest variety of ocean life is in the shallowest part of the
ocean, above the:
continental shelf
74. These tiny plant-like organisms produce much of the Earth's
oxygen and serve as the basis of the ocean ecosystem
Phytoplankton
75. Phytoplankton, like other plants, need sunlight for
photosynthesis, and therefore live :
On the ocean's surface
76. The deepest parts of the ocean are:
trenches
77. It is mostly the pull of the moon's gravity that causes:
tides
78. Underwater mountains caused by plate movements are:
mid-ocean ridges
79. Three types of rock are:
sedimentary, metamorphic,
and igneous
80. Over a period of time, layers of sediment are pressed together to
Sedimentary
form these types of rocks.
81. When molten rock or magma cools below the Earth's surface or
cools after erupting from a volcano as lava, this type of rock is
formed.
Igneous rock
82. Rocks formed from other types of rocks by intense heat and
pressure deep within the Earth are called:
Metamorphic rocks
83. Sedimentary rocks often contain these remains of organisms
which tell us a lot about life and Earth in the past.
fossils
84. Scientific evidence indicates the Earth is how old?
4.6 billion years old
85. The Earth's surface is constantly changing due to heat and
pressure within the Earth and weathering and erosion at the surface.
The Rock Cycle
These processes constantly change rock from one type to another in
a cycle called:
86. The two layers of the Earth that are composed mostly of rocky
material are:
The crust and mantle
87. The layers composed mostly of iron and nickel
Inner and outer core
88. Heat energy causes movement of material within the Earth.
Large, continent-sized blocks that move slowly about the Earth's
surface due to this heat energy are called:
plates
89. Most earthquakes and volcanoes are located at the boundary of
faults
the plates, called:
90. Mountain ranges, including the Appalachian mountains, midocean ridges and trenches are caused by:
Plate movements
91. Rocks on the Earth's surface are constantly being broken down
by chemical processes, weather, glaciers and even tree roots.
Rocks are broken into smaller pieces in a process called:
weathering
92. Weather rock material, sand and soil can be moved by water
and wind in a process called:
erosion
93. Roots hold soil in place. How can soil erosion be prevented?
planting trees and other
vegetation
94. Mountains are usually caused by:
plate movements
95. Mountains and volcanoes usually form on the _____ between
two plates, when the plates push together or split apart. (convergent boundaries
and divergent boundaries)
96. Plates that slide against each other are called sliding boundaries
earthquakes.
- They cause: