Scott Foresman Grade 2 Science Test

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2nd Grade Quizzes & Trivia

Scott Foresman Grade 2 Science Test Chapter 2


Questions and Answers
  • 1. 

    Animals with backbones, fur or hair, and drinks milk from its mother.

    • A.

      Bird

    • B.

      Fish

    • C.

      Mammal

    • D.

      Reptile

    • E.

      Amphibian

    Correct Answer
    C. Mammal
    Explanation
    The given characteristics of having a backbone, fur or hair, and drinking milk from its mother are all traits of mammals. Birds have feathers, fish do not have fur or hair, reptiles do not drink milk, and amphibians do not have fur or hair and do not drink milk from their mother. Therefore, the correct answer is mammal.

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  • 2. 

    Animals with backbones, feathers, wings, and hatch from eggs.

    • A.

      Bird

    • B.

      Fish

    • C.

      Mammal

    • D.

      Reptile

    • E.

      Amphibian

    Correct Answer
    A. Bird
    Explanation
    The given characteristics of having backbones, feathers, wings, and hatching from eggs are specific to birds. While other animals like fish, mammals, reptiles, and amphibians may have some of these traits, only birds possess all of them. Therefore, the correct answer is bird.

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  • 3. 

    Animals with backbones, live in water, covered with scales, fins, and hatch from eggs.

    • A.

      Bird

    • B.

      Fish

    • C.

      Mammal

    • D.

      Reptile

    • E.

      Amphibian

    Correct Answer
    B. Fish
    Explanation
    Fish are animals with backbones that live in water, have scales, fins, and hatch from eggs. This description matches the characteristics of fish, as they are aquatic vertebrates that have adapted to living in water. Fish have scales that protect their bodies, fins that help them swim, and most species reproduce by laying eggs. Therefore, fish is the correct answer based on the given information.

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  • 4. 

    Animals with backbones, dry skin, scales, and they hatch from eggs.

    • A.

      Bird

    • B.

      Fish

    • C.

      Mammal

    • D.

      Reptile

    • E.

      Amphibian

    Correct Answer
    D. Reptile
    Explanation
    Reptiles are animals with backbones, dry skin, scales, and they hatch from eggs. This description fits reptiles perfectly, as they possess all these characteristics. Birds, fish, mammals, and amphibians do not necessarily have all these traits, making reptiles the correct answer.

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  • 5. 

    Animals with backbones, live part of their life in the water and part of their life on land, have smooth, wet skin, and they hatch from eggs.

    • A.

      Bird

    • B.

      Fish

    • C.

      Mammal

    • D.

      Reptile

    • E.

      Amphibian

    Correct Answer
    E. Amphibian
    Explanation
    Amphibians are animals with backbones that undergo metamorphosis, living part of their life in the water and part on land. They have smooth, wet skin and hatch from eggs. Birds, fish, mammals, and reptiles do not meet all of these criteria, making amphibians the correct answer.

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  • 6. 

    A color of shape that makes a plant or animal ahrd to see.

    • A.

      Gills

    • B.

      Mimicry

    • C.

      Camouflage

    • D.

      Skin

    Correct Answer
    C. Camouflage
    Explanation
    Camouflage refers to the color or pattern of an organism that allows it to blend in with its surroundings, making it difficult for predators or prey to spot it. This adaptation is particularly useful for plants and animals that need to hide from predators or ambush their prey. By having a color or pattern that matches their environment, they can effectively camouflage themselves and increase their chances of survival.

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  • 7. 

    Body parts that help fish get oxygen from the water.

    • A.

      Fins

    • B.

      Scales

    • C.

      Spikes

    • D.

      Feelers

    • E.

      Gills

    Correct Answer
    E. Gills
    Explanation
    Gills are the body parts in fish that help them get oxygen from the water. Gills are specialized organs located on the sides of the fish's head, protected by a bony cover called the operculum. They are made up of thin, feathery structures called gill filaments, which are rich in blood vessels. As water passes over the gills, oxygen is extracted from the water and absorbed into the bloodstream, while carbon dioxide is released. This efficient respiratory system allows fish to extract oxygen directly from water, enabling them to live and thrive underwater.

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  • 8. 

    Which answer is not true about insects?

    • A.

      They do not have bones

    • B.

      The body is made of the head, thorax, and legs

    • C.

      Six legs

    • D.

      Have antennae

    • E.

      Do not have backbones

    Correct Answer
    B. The body is made of the head, thorax, and legs
    Explanation
    Insects have a three-part body structure consisting of the head, thorax, and abdomen, not the head, thorax, and legs. The legs are attached to the thorax, which is located between the head and abdomen. This body structure is a distinguishing characteristic of insects, along with their six legs, antennae, and lack of bones or backbones.

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  • 9. 

    Name two animals with backbones.

  • 10. 

    Name two animals without backbones.

  • 11. 

    Name two mammals.

  • 12. 

    Name two amphibians.

  • 13. 

    Name two insects.

  • 14. 

    Name two reptiles.

  • 15. 

    Name two birds.

  • 16. 

    Name two fish.

  • 17. 

    Name a way that the penguin has adapted to its environment.

  • 18. 

    Name a way that the porcupine fish has adapted.

  • 19. 

    How does a reptile adapt to changes in air temperature?

  • 20. 

    Name how a spider and insect are different.  How are they alike?

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