
2023 PSSA ISS Science Grade 8
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+13
Standards-aligned
Hanah Goodman
Used 17+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which question could best be investigated using scientific inquiry?
When do most people plant flower gardens?
Which color of flowers do people like to grow in their gardens?
How many flowering plants have become extinct throughout Earth’s history?
How does the amount of sunlight received affect the growth of flowering plants?
Tags
NGSS.MS-LS1-5
NGSS.MS-LS1-6
NGSS.MS-LS2-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which unintended effect could result from overusing chemical pesticides to control insects on agricultural crops?
crops producing their own chemical pesticides
insect pests switching to a different food source
crops requiring more water and nutrients to survive
insect pests becoming resistant to certain pesticides
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A family adopts a pet dog from the local animal shelter. The family does not know the breed of the dog. To help determine the breed, the family compares the traits of the dog to the traits of known dog breeds. The family concludes that the dog’s parents were two different breeds. Which scientific concept did the family most likely use to form this conclusion?
natural selection
Newton’s first law
Mendelian genetics
the theory of evolution
Tags
NGSS.MS-LS4-2
NGSS.MS-LS4-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fires are common in grassland ecosystems. Dead grasses and small shrubs that accumulate on the ground provide an excellent source of fuel for the fires. Which statement describes how grassland ecosystems benefit from periodic fires?
Ash left over from fires provides plants with additional nutrients.
Fires reduce ground cover, which creates new habitats for nonnative organisms.
The darker color of burned plant material is able to absorb more energy from sunlight.
The increased temperatures allow soil bacteria populations to remain active during winter.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the diagram below to answer the question. In a science class, students release the same toy car down four different ramps. Each ramp has the same length but a different height. Which dependent variable could be measured to find out how the ramp height affects the car?
mass of each ramp
length of each ramp
weight of the car when it reaches the bottom of each ramp
distance the car rolls after it reaches the bottom of each ramp
Tags
NGSS.MS-PS2-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A researcher hypothesizes that a specific temperature is optimal for the growth of a type of algae. To test this hypothesis, the researcher grew algae in culture dishes each kept at a different temperature. The data collected from which measurements would be needed to support the hypothesis?
the initial and final mass of the algae colony
the initial and final volume of the culture dish
the initial and final surface area of the culture dish
the initial and final temperature of the algae colony
Tags
NGSS.MS-LS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student is measuring the volume of a rectangular object. Which two tools could the student use to measure the volume of the object?
beaker or microscope
thermometer or stopwatch
ruler or graduated cylinder
balance scale or hand lens
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