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2022 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) Compared to the particles in liquid water, the particles in solid ice move
A
faster and easily changes position
B
slower and resist changes in position
C
faster and resist changes in position
D
slower and easily changes position
Helpful Hint
The diagram below represents a restaurant sign that is surrounded by a string of lightbulbs.
2) Which statement might explain why the string of lightbulbs does not light when one of the lightbulbs is burned out?
A
The circuit is interrupted
B
A voltmeter is missing.
C
Conduction is taking place.
D
Heat is reduced.
Helpful Hint
A portion of the Periodic Table of the Elements is shown below. The placement of elements on the Periodic Table is based on their properties.
3) Which element reacts in a manner most similar to oxygen?
A
sulfur
B
fluorine
C
phosphorus
D
neon
Helpful Hint
A portion of the Periodic Table of the Elements is shown below. The placement of elements on the Periodic Table is based on their properties.
4) Which table correctly lists the placement of the elements C, Kr, and Cu?
A
D
B
C
C
A
D
B
5) Molecules are made up of
A
mixtures
B
atoms
C
cells
D
solids
Helpful Hint
The diagram below represents the path of a ball after it has been thrown. Letters A, B, C, and D represent different locations in the path that the ball traveled.
6) At which location did the ball have the greatest potential energy?
A
A
B
B
C
D
D
C
7) A student sorts and categorizes a group of mineral samples based on their streak, hardness, and luster. Which scientific process is the student using?
A
classifying
B
measuring
C
sequencing
D
predicting
Helpful Hint
The diagram below represents a bar magnet with the north (N) and south (S) poles labeled. Letters A, B, C, and D represent locations on the surface of the bar magnet.
8) An iron nail would feel the greatest attractive pull from this bar magnet at point
A
A
B
B
C
D
D
C
9) A group of students is designing an experiment to determine if the temperature of water affects how well laundry detergent cleans clothing. Which statement best describes a hypothesis for this experiment?
A
If more detergent is used, then the water will become colder.
B
If more detergent is used, then the clothes will be cleaner.
C
If the water is hotter, then the detergent will make the clothes cleaner.
D
If the water is hotter, then the detergent will shrink the clothes.
10) Which observation of a plant on a windowsill supports the inference that plants need sunlight?
A
Stems grew toward the window
B
Flowers were produced
C
Roots were visible above the soil
D
Larger leaves wilted
Helpful Hint
The table below shows some minerals, their chemical composition, and some characteristics of these minerals.
11) What do the minerals hematite, limonite, and magnetite have in common?
A
black streak
B
contain hydrogen
C
contain iron
D
brown streak
Helpful Hint
The data table below shows the solubility of three gases in water at various temperatures.
12) The information in the table shows that the solubility of
A
oxygen gas in water increases with increasing water temperature
B
nitrogen gas in water is greatest when the water temperature is 30°C
C
a gas in water depends primarily on the volume of water
D
carbon dioxide gas in water decreases with increasing water temperature
Helpful Hint
diagram represents the inferred properties of Earth’s interior.
13) As the depth below Earth’s surface increases, the average density of Earth’s interior
A
remains the same
B
increases, only
C
increases and decreases
D
decreases, only
Helpful Hint
diagram represents the inferred properties of Earth’s interior.
14) Which Earth layer contains convection currents that are believed to be responsible for the movement of Earth’s tectonic plates?
A
outer core
B
plastic mantle
C
lithosphere
D
stiffer mantle
Helpful Hint
The graph below shows the results of an experiment in which a student measured her heart rate in beats per minute (bpm) before and after fi ve minutes of exercise. The experiment was repeated three times, with two minutes of rest in between each trial.
15) Which conclusion about heart rate can be supported by the data shown in the graph?
A
The heart rate after exercise increased 10 bpm after each trial.
B
The before-exercise heart rate in trial 2 was 78 bpm.
C
The heart rate went up 64 bpm after exercise in trial 3.
D
The before-exercise heart rate increased 6 bpm after each trial.
*select an answer for all questions
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