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2017 Grade 8 Intermediate-Level Science Test Questions 31-45
Test Description: Use your knowledge of Science to answer all questions. Good Luck.
Instructions: Answer all questions to get your test result.
1) Which graph best shows the general relationship between the temperature of a gas and the speed of the molecules in that gas?
A
1
B
4
C
3
D
2
Helpful Hint
The map shows the partial storm track of a hurricane and the hurricane watch area where it is predicted to reach land. Numbers 1 through 4 show positions of the hurricane on four different days at 12 noon.
2) Why was a hurricane watch posted for the coastal areas shown?
A
to alert residents of climate changes
B
to warn people of life-threatening conditions
C
to encourage residents to travel to the watch area
D
to tell people where the hurricane started
Helpful Hint
The map shows the partial storm track of a hurricane and the hurricane watch area where it is predicted to reach land. Numbers 1 through 4 show positions of the hurricane on four different days at 12 noon.
3) In which compass direction did the hurricane travel from day 1 to day 4?
A
southwest
B
northwest
C
southeast
D
northeast
Helpful Hint
The diagrams below represent four simple machines. The arrows in each diagram indicate the direction of the force being applied.
4) Which machine is changing the direction of the force being applied by the person?
A
2
B
4
C
3
D
1
Helpful Hint
The diagrams below represent two cylinders. One hundred milliliters of a liquid was completely transferred from cylinder A to cylinder B.
5) Compared to the liquid that was in cylinder A, the liquid in cylinder B will have
A
less mass and more volume
B
less mass and the same volume
C
the same mass and the same volume
D
the same mass and more volume
Helpful Hint
The four models below that represent the arrangement of atoms in four samples of matter.
6) Which model best represents the arrangement of atoms in a solid?
A
A
B
B
C
C
D
D
Helpful Hint
The four models below that represent the arrangement of atoms in four samples of matter.
7) Which model best represents the arrangement of atoms in a compound?
A
D
B
B
C
C
D
A
8) Warm air rising in the atmosphere is an example of heat being transferred by
A
radiation
B
absorption
C
convection
D
conduction
Helpful Hint
The diagram below represents two cans of water at the same temperature. One can is painted black and the other can is painted white. The cans are placed on a sunny windowsill, and a thermometer is placed in each can to measure the water temperature.
9) After four hours in the sunlight, the temperatures of the water in the cans will most likely be
A
higher in the white can than in the black can
B
the same as when the cans were placed there
C
higher, with the same temperature in both cans
D
higher in the black can than in the white can
10) As a candle burns, the chemical energy stored in the wax is transformed into
A
heat and magnetism
B
electricity and light
C
electricity and magnetism
D
heat and light
Helpful Hint
The diagram below represents a thermometer.
11) Which principle best explains how this thermometer works?
A
A liquid changes to a gas when heated.
B
A gas changes to a liquid when heated.
C
A liquid expands when heated and contracts when cooled.
D
A liquid contracts when heated and expands when cooled.
12) The diagrams below represent the same two magnets placed in four different positions. The North (N) and South (S) poles are labeled. At which position will the force of attraction between these two magnets be greatest?
A
4
B
1
C
2
D
3
Helpful Hint
The graph below shows tidal changes at an ocean beach over a 24-hour time period.
13) What is the approximate time interval between the two high tides?
A
13 hours
B
9 hours
C
6 hours
D
24 hours
Helpful Hint
The label below shows the nutrition facts for a certain food.
14) How many servings of this food would a person need to eat to get approximately 8% of the recommended daily value of dietary fiber?
A
2
B
4
C
25
D
30
Helpful Hint
The data table below shows the yield of vegetables in a school’s garden for three years. The yield is the number of pounds of vegetables harvested. The same number of each type of vegetable was planted every year.
15) Which statement is an inference?
A
The acorn squash yield decreased from 2012 to 2013 due to lower temperatures.
B
The spinach yield was 102 pounds in 2011 and 137 pounds in 2012.
C
The butternut squash yield increased from 2011 to 2012.
D
The onion yield was greater than the beet yield in 2013.
*select an answer for all questions
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