2017 Grade 8 Intermediate-Level Science Test Questions 31-45 Question Preview (ID: 59910)

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As a candle burns, the chemical energy stored in the wax is transformed into

a) heat and light

b) heat and magnetism

c) electricity and light

d) electricity and magnetism

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) 25

b) 2

c) 30

d) 4

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) 1

b) 2

c) 3

d) 4

What is the approximate time interval between the two high tides?

a) 6 hours

b) 9 hours

c) 13 hours

d) 24 hours

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.

Which statement is an inference?

a) The onion yield was greater than the beet yield in 2013.

b) The butternut squash yield increased from 2011 to 2012.

c) The spinach yield was 102 pounds in 2011 and 137 pounds in 2012.

d) The acorn squash yield decreased from 2012 to 2013 due to lower temperatures.

After four hours in the sunlight, the temperatures of the water in the cans will most likely be

a) the same as when the cans were placed there

b) higher, with the same temperature in both cans

c) higher in the white can than in the black can

d) higher in the black can than in the white can

Which model best represents the arrangement of atoms in a compound?

a) A

b) B

c) C

d) D

Warm air rising in the atmosphere is an example of heat being transferred by

a) absorption

b) conduction

c) convection

d) radiation

Which model best represents the arrangement of atoms in a solid?

a) A

b) B

c) C

d) D

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 more volume

d) the same mass and the same volume

Which machine is changing the direction of the force being applied by the person?

a) 1

b) 2

c) 3

d) 4

In which compass direction did the hurricane travel from day 1 to day 4?

a) northwest

b) northeast

c) southwest

d) southeast

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) 2

c) 3

d) 4

Why was a hurricane watch posted for the coastal areas shown?

a) to tell people where the hurricane started

b) to encourage residents to travel to the watch area

c) to warn people of life-threatening conditions

d) to alert residents of climate changes

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