Rewards Unit 4 Review

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Across
  1. 1. The teacher asked students to give an __________________ answer when an exact number was not required.
  2. 4. clean water and sunlight are important __________________ for all living things.
  3. 7. healthy ecosystem stays in __________________ when all parts work together properly.
  4. 10. Careful observations help scientists __________________ the cause of a problem.
  5. 11. Scientists use the __________________ method to test ideas and gather evidence.
Down
  1. 1. In tropical rainforests, plant life is __________________ and grows in large amounts.
  2. 2. Some animals __________________ only at night because they are nocturnal.
  3. 3. One __________________ of mammals is that they have hair or fur.
  4. 5. Plants and animals are living __________________ that depend on their environment to survive.
  5. 6. Water has unique __________________, such as being able to dissolve many substances.
  6. 8. ou may solve the problem one way, or __________________, you could try a different strategy.
  7. 9. the factory uses a ____________ to make the food.