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Review For State Exam
Test Description: Review for the state exam
Instructions: Answer all questions to get your test result.
1) Which action forms a different chemical substance?
A
crushing a rock
B
melting an ice cube
C
mixing salt and pepper
D
burning a piece of wood
2) Many scientists believe that crustal plate movement occurs because of convection cells contained in the Earth\\\'s
A
crust
B
outer core
C
mantle
D
inner core
3) Rocks are classified as igneous, metamorphic, or sedimentary according to
A
their shape
B
how they formed
C
their color
D
the minerals they contain
4) Many cells have a nucleus that contains chromosomes. These chromosomes carry genes that are composed of
A
minerals and water
B
DNA molecules
C
hormones
D
undigested food molecules
5) Competition is likely to occur between which two organisms?
A
deer and butterflies
B
goldfish and rabbits
C
owls and bacteria
D
grass and strawberry plants
6) What is the result of cellular respiration?
A
Cells undergo decomposition
B
Energy for cell processes is released
C
Nutrients are excreted to prevent the buildup of body fat
D
Oxygen is released for photosynthesis
7) How do decomposers obtain their food?
A
Hunting and killing prey for food
B
producing food from oxygen and sunlight
C
changing carbon dioxide and water into food
D
absorbing food from dead organisms
8) Living things are classified as producers or consumers according to
A
how they reproduce
B
how they obtain food
C
their speed of movement
D
the size of their communities
9) Which sequence of development is correct?
A
fertilized egg-- organs -- tissues -- organ systems
B
fertilized egg -- tissues -- organs-- organ systems
C
fertilized egg-- tissues--organ systems -- organs
D
fertilized egg -- organ systems -- organs -- tissues
10) Weather forecasts are more accurate today than in the past due to
A
air-quality control
B
plate tectonics
C
uses of images from space
D
global warming
*select an answer for all questions
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