Quest: 8th Grade Science Assessment

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Here are some science questions from the Sixth, Seventh, and Eighth Grade Standards to help you test your knowledge of the Next Generation Sunshine State Standards.

The questions are chosen randomly, so this quest will be different each time you reload the page.

* Click here to see only the most recently added questions.



This is Kalanchoe daigremontiana, also known as Devil's Backbone or Mother of Thousands. Each of the tiny bumps on its leaves is a developing, new plant. When they are mature enough, they will separate from the parent plant, fall to the ground, and take root. This plant reproduces both asexually with its leaves, and sexually with its flowers. What is the advantage of sexual reproduction?

  1. Sexual reproduction is faster.

    No. Asexual reproduction using its leaves is actually faster than sexual reproduction, and allows the plant to produce more offspring.
  2. Sexual reproduction lets the plant produce more offspring.

    No. This plant produces more offspring by asexual reproduction than it does by seeds.
  3. Sexual reproduction prevents the plant from passing on harmful mutations.

    No. Both sexual and asexual reproduction can pass a mutation on to the offspring.
  4. Sexual reproduction gives the offspring genes from both parents.

    Yes! The main advantage of sexual reproduction is that the offspring gets half of its genetic material from each parent. This plant can reproduce asexually by producing the new, tiny plants on its leaves, but they are genetically the same as the parent. A disease or parasite which was fatal to one would be fatal to all. When it reproduces by flowers and seeds, half of the genetic material comes from the plant, and half comes from the pollen that fertilized seed. This produces offspring that have genetic variations, giving them a better chance of surviving. The survivors can then reproduce asexually to produce thousands of new plants with those traits.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.3.L.14.1 Describe structures in plants and their roles in food production, support, water and nutrient transport, and reproduction.
Heartless Plants video, ClosedCaptions
Pumpkin Guts video, free, ClosedCaptions
Measuring Photosynthesis video
Seed Search video, ClosedCaptions
Orange Slices video, ClosedCaptions
Testing a Leaf for Starch video, ClosedCaptions
Flowers video, ClosedCaptions
Smell the Flowers text page
Review Plants-3 practice
Review Plants-2 practice
Review Plants-5 practice
Review Plants-6 practice
Review Plants-7 practice
Review Plants-8 practice

SC.4.L.16.1 Identify processes of sexual reproduction in flowering plants, including pollination, fertilization (seed production), seed dispersal, and germination.
Pumpkin Guts video, free, ClosedCaptions
Seed Search video, ClosedCaptions
Orange Slices video, ClosedCaptions
Flowers video, ClosedCaptions
Review Plants-3 practice
Review Plants-2 practice
Review Plants-6 practice
Review Plants-7 practice
Review Plants-8 practice

SC.7.L.16.3 Compare and contrast the general processes of sexual reproduction requiring meiosis and asexual reproduction requiring mitosis.
Review Plants-3 practice

Utah


UT.7.IV.1.b Contrast the exchange of genetic information in sexual and asexual reproduction (e.g., number of parents, variation of genetic material).

NGSS


4-LS1-1 Construct an argument that plants and animals have internal and external structures that function to support survival, growth, behavior, and reproduction.
Calling a Woodpecker video
Pumpkin Guts video, free, ClosedCaptions
Seed Search video, ClosedCaptions
Orange Slices video, ClosedCaptions
Bird Bones video, free
Feathers video
Heartless Plants video, ClosedCaptions
Nature Watching video
Thoughts on an Exoskeleton text page, free
Eye Shine text page
How Does a Butterfly Fly? text page, free
Review Plants-3 practice
Review Plants-1 practice
Review Plants-5 practice
Review Plants-6 practice
Review Plants-7 practice
Review Plants-8 practice

MS-LS4-4 Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals’ probability of surviving and reproducing in a specific environment.

MS-LS3-2 Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation.

This caterpillar is an example of which part of the food web?

  1. Producer.

    No. The plant is a producer. It captures energy from sunlight, and stores it as food. The caterpillar is eating the plant to get that energy.
  2. Primary Consumer.

    Yes! The caterpillar is eating the plant (a producer) to get the energy that is stored in its leaves.
  3. Secondary Consumer

    No. Secondary consumers eat other consumers. A bird that ate this caterpillar would be a secondary consumer.
  4. Decomposer

    No. Decomposers break down dead and decaying organisms. The plant that the caterpillar is eating is still alive and growing.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.4.L.17.3 Trace the flow of energy from the Sun as it is transferred along the food chain through the producers to the consumers.
Scavengers and Decomposers video, ClosedCaptions
Secondary Consumers video, ClosedCaptions
Producers video
Primary Consumers video, ClosedCaptions
Food Web Tag text page
What is a Food Web? text page
Review Food Web-2 practice
Review Food Web-1 practice
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice

SC.7.L.17.1 Explain and illustrate the roles of and relationships among producers, consumers, and decomposers in the process of energy transfer in a food web.
Scavengers and Decomposers video, ClosedCaptions
Secondary Consumers video, ClosedCaptions
Producers video
Primary Consumers video, ClosedCaptions
Measuring Calories video, ClosedCaptions
Food Web Tag text page
What is a Food Web? text page
Review Food Web-2 practice
Review Food Web-1 practice
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice

Utah


UT.8.II.2.a Categorize the relationships between organisms (i.e., producer/consumer/decomposer, predator/prey, mutualism/parasitism) and provide examples of each.
Secondary Consumers video, ClosedCaptions
Producers video
Primary Consumers video, ClosedCaptions
What is a Food Web? text page
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice
Review Food Web-11 practice
Review Food Web-12 practice
Review Food Web-2 practice
Review Food Web-1 practice

NGSS


5-PS3-1 Use models to describe that energy in animals’ food (used for body repair, growth, motion, and to maintain body warmth) was once energy from the sun.
Measuring Calories video, ClosedCaptions
Scavengers and Decomposers video, ClosedCaptions
Secondary Consumers video, ClosedCaptions
Producers video
Measuring Photosynthesis video
Primary Consumers video, ClosedCaptions
Calories: Measuring the Energy text page, free
What is a Food Web? text page
Review Food Web-1 practice
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice
Review Food Web-2 practice

5-LS2-1 Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment.
Scavengers and Decomposers video, ClosedCaptions
Secondary Consumers video, ClosedCaptions
Producers video
Primary Consumers video, ClosedCaptions
What is a Food Web? text page
Review Food Web-1 practice
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice
Review Food Web-2 practice

Which of the following observations is NOT scientifically testable?

  1. Butterflies have pretty wings.

    Yes! Pretty is an opinion, and can vary from person to person, so it is NOT scientifically testable.
  2. Butterflies have six legs.

    No. This could be tested by counting the legs of a variety of butterflies.
  3. Butterflies can sting like bees.

    No. A claim does not have to be true to be testable. Examination of a variety of butterflies would show that they do not have stingers.
  4. Most butterflies drink nectar from flowers.

    No. This could be tested by observing the feeding habits of butterflies.

Explain more about it.

If I said that butterflies did not have six legs, you could show me physical evidence by counting their legs. After counting the legs, the physical evidence would show that butterflies have six legs.

If I said that I don't think butterfly wings are pretty, you could show me wings that you think are pretty, but I might not agree with your opinion. "Pretty" is not something that we can measure. What is pretty to one person might not be pretty to another, so it is not a testable property.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.5.N.2.1 Recognize and explain that science is grounded in empirical observations that are testable; explanation must always be linked with evidence.

SC.8.N.2.1 Distinguish between scientific and pseudoscientific ideas.

Utah

NGSS

Which part of the food web does this roadrunner belong to?

  1. Producer.

    No. A producer captures energy from sunlight, and stores it as food. To do that, the organism needs to contain chlorophyll.
  2. Primary Consumer.

    No. Primary consumers eat producers. In spite of what you may have seen in cartoons, roadrunners do not eat plants or bird seed.
  3. Secondary Consumer

    Yes! Secondary consumers eat other consumers. Roadrunners are predators, and eat lizards, snakes, mice, and many other small animals.
  4. Decomposer

    No. Roadrunners may occasionally scavenge freshly killed animals, but they are not decomposers.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.4.L.17.3 Trace the flow of energy from the Sun as it is transferred along the food chain through the producers to the consumers.
Scavengers and Decomposers video, ClosedCaptions
Secondary Consumers video, ClosedCaptions
Producers video
Primary Consumers video, ClosedCaptions
Food Web Tag text page
What is a Food Web? text page
Review Food Web-2 practice
Review Food Web-1 practice
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice

SC.7.L.17.1 Explain and illustrate the roles of and relationships among producers, consumers, and decomposers in the process of energy transfer in a food web.
Scavengers and Decomposers video, ClosedCaptions
Secondary Consumers video, ClosedCaptions
Producers video
Primary Consumers video, ClosedCaptions
Measuring Calories video, ClosedCaptions
Food Web Tag text page
What is a Food Web? text page
Review Food Web-2 practice
Review Food Web-1 practice
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice

Utah


UT.8.II.2.a Categorize the relationships between organisms (i.e., producer/consumer/decomposer, predator/prey, mutualism/parasitism) and provide examples of each.
Secondary Consumers video, ClosedCaptions
Producers video
Primary Consumers video, ClosedCaptions
What is a Food Web? text page
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice
Review Food Web-11 practice
Review Food Web-12 practice
Review Food Web-2 practice
Review Food Web-1 practice

NGSS


5-PS3-1 Use models to describe that energy in animals’ food (used for body repair, growth, motion, and to maintain body warmth) was once energy from the sun.
Measuring Calories video, ClosedCaptions
Scavengers and Decomposers video, ClosedCaptions
Secondary Consumers video, ClosedCaptions
Producers video
Measuring Photosynthesis video
Primary Consumers video, ClosedCaptions
Calories: Measuring the Energy text page, free
What is a Food Web? text page
Review Food Web-1 practice
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice
Review Food Web-2 practice

5-LS2-1 Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment.
Scavengers and Decomposers video, ClosedCaptions
Secondary Consumers video, ClosedCaptions
Producers video
Primary Consumers video, ClosedCaptions
What is a Food Web? text page
Review Food Web-1 practice
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice
Review Food Web-2 practice

The Common Raven is often a scavenger, but its beak is not strong enough to tear through the thick hide of a winter-killed deer.

It will sit near the carcass and call loudly, attracting other ravens. As the mob gathers, they start making distress calls. That usually attracts a large predator, such as a wolf or coyote. They wait until the predator tears into the carcass.

At that point, 3 or 4 of them will start harassing the predator, keeping its attention, while the other ravens steal parts of the carcass. They then share what they get with the ravens that kept the predator busy.

This is an example of what kind of relationship?

  1. mutualism

    Yes! In mutualism, both organisms benefit. The ravens help the predator find the carcass, and the predator tears it open so that the ravens can eat some too. Both get a benefit from the relationship.
  2. commensalism

    No. In commensalism, one organism benefits, and the other is not affected. In this case, the ravens and the predator both benefit.
  3. parasitism

    No. For parasitism, one organism benefits, and the other is harmed. Neither the raven nor the predator is harmed by this relationship.
  4. predation

    No. In predation, one organism eats another. Neither the raven nor the predator gets eaten in this relationship.



Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.

Florida


SC.7.L.17.2 Compare and contrast the relationships among organisms such as mutualism, predation, parasitism, competition, and commensalism.
Secondary Consumers video, ClosedCaptions
Review Food Web-11 practice
Review Food Web-12 practice

Utah


UT.8.II.2.a Categorize the relationships between organisms (i.e., producer/consumer/decomposer, predator/prey, mutualism/parasitism) and provide examples of each.
Secondary Consumers video, ClosedCaptions
Producers video
Primary Consumers video, ClosedCaptions
What is a Food Web? text page
Review Food Web-3 practice
Review Food Web-4 practice
Review Food Web-5 practice
Review Food Web-6 practice
Review Food Web-7 practice
Review Food Web-8 practice
Review Food Web-9 practice
Review Food Web-10 practice
Review Food Web-11 practice
Review Food Web-12 practice
Review Food Web-2 practice
Review Food Web-1 practice

NGSS


MS-LS2-2 Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.

The questions are chosen randomly, so this quest will be different each time you reload the page.