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TCAP Review In Science Computer Lab
Test Description: Review of Tennessee 8th Grade Science Standards
Instructions: Answer all questions to get your test result.
1) Which of these causes a chemical change in matter?
A
freezing
B
chopping
C
melting
D
burning
2) Carrie tests the stream behind her house each year to find out if the water quality has changed. This year the water in the stream had a pH of 6.0 according to the pH meter. What describes the pH of the water in the stream?
A
slightly acidic
B
strongly basic
C
strongly acidic
D
slightly basic
3) Which of these is a biotic factor in a prairie biome?
A
water
B
soil
C
grass
D
sunlight
4) Earth has limited resources from which to draw energy. Which of these represents a renewable resource humans could use to help meet the demand for energy?
A
coal
B
wind
C
oil
D
gas
5) Which of the following is an example of sexual reproduction?
A
fission
B
forming spores
C
budding
D
cross pollination
6) Which of these causes rocks to break down by physical means?
A
rusting of iron in rocks
B
lichens that release acids
C
burrowing animals
D
acid rain
7) Dale\'s mother has straight hair and his father has curly hair. Dale and his three sisters all have curly hair. Which type of trait is curly hair?
A
dominant
B
majority
C
attractive
D
recessive
8) Which of these is an example of asexual reproduction?
A
meiosis
B
hibernation
C
binary fission
D
fertilization
9) The advantage of using a concentrated solution over a diluted solution in a chemical reaction is that the concentrated solution provides __________________________________.
A
reduced reaction time
B
far less volume
C
fewer particles per unit
D
greater ease of pouring
10) Under certain conditions, hydrogen gas and oxygen gas will react to form water. If 20 grams of hydrogen completely reacts with 160 grams of oxygen, how many grams of water will be formed?
A
40 grams
B
160 grams
C
20 grams
D
180 grams
*select an answer for all questions
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