Science

Second Quarter Assessment

Grade 4 ANSWER KEY

Quarter 2 Science Formative/Summative Test

Name______Date______

Vocabulary

Fill in the blank with the letter of the correct definition: (1 point each)

  1. _b__ biomesa. organisms that make its own food using the sun’s energy.
  2. __d_habitat b. an ecosystem with its own plants, animals and soil.
  3. _e__ecosystem c. the path that energy takes from one organism to another.
  4. _f__ populations d. the home of an organism
  5. _a_ producer e. the living and nonliving things in an environment.
  6. _c__food chainf. a single type of organism in an ecosystem.

Complete each question with a response.

  1. Name earth’s six major biomes. (1 point each)
  • __Taiga______
  • _Grassland______
  • __Tundra______
  • ____Deciduous Forest______
  • _Desert______
  • __Tropical Rain Forest______
  1. Compare and contrast abiotic and biotic factors. (3 points)
  1. Draw an ecosystem and label all of the abiotic and biotic factors. (5 points)

Ecosystems will vary. Living and non-living factors must be labeled to get full credit.

  1. What is a community? (1 point)
  1. Earth’s crust
  2. All the populations of an ecosystem
  3. The home of an organism
  1. An adaptation in which one living thing looks similar to another living thing is: (1 point)
  1. Camouflage
  2. Mimicry
  3. Hibernation

Fill in the blank with the correct answer: (1 point each)

accommodation adaptation

camouflage extinct

hibernate stimulus

tropism

  1. A trait or behavior that helps a living thing survive in its environment is an adaptation.
  1. When all the individuals of a species have died, the species isextinct.
  1. An animal that blends in with its surroundings usescamouflage.
  1. Something in the environment that causes an organism to respond is called astimulus.
  1. To survive cold winters, some animals hibernate.
  1. The response of a plant to light, water, or gravity is a tropism.
  1. An individual’s response to a change in its ecosystem is calledaccommodation.
  1. Describe the biotic and abiotic factors in an elk’s habitat and explain how it adapts and survives. (5 points)

Ecosystems, abiotic, biotic, definition of habitat, adaptation.