Name ______Date ______Science 7- ______

1st Semester ScienceExam Review(2015-2016)

Answer questions on a separate piece of paper

  1. Define the following terms: Chloroplast, Cell Wall, Vacuole, Cell Membrane, and Nucleus
  2. Explain the difference between plant and animal cells. (use the organelle names to do this)
  3. How does a fever help fight infection?
  4. What is a limitation of a model? Give an example.
  5. What are the functions of integumentary system?
  6. Why is it easy for oxygen and nutrients to pass from the capillaries to the cells?
  7. What is the function(s) of the respiratory system?
  8. Where does gas exchange take place in the lungs?
  9. What is the function(s) of the circulatory system?
  10. What are the functions of the digestive system?
  11. Which parts of the digestive system are responsible for food absorption?
  12. What is mechanical digestion? Where does it take place?
  13. What is chemical digestion? Where does it take place?
  14. What are the functions of the skeletal system?
  15. What are the functions of the muscular system?
  16. Which body systems are responsible for movement?
  17. What is the function of the excretory system?
  18. What is the function of the nervous system?
  19. What are the functions of the endocrine system?
  20. What are the functions of the reproductive system?
  21. Give 3 examples of unsafe lab practices.
  22. What is the proper way to clean a lab table after an experiment involving water samples?
  23. When does the body take in more nutrients - before exercising, after exercising or after a meal?
  24. How do the circulatory and digestive systems work together to deliver nutrients to the body?
  25. What is a stimulus?
  26. Explain the difference between an external stimulus and an internal stimulus. Give an example of each.
  27. What is homeostasis? Give an example of how humans maintain homeostasis.
  28. What role does the heart play in the circulatory system?
  29. How do the integumentary and nervous systems work together?
  30. What system is responsible for delivering oxygen to the body?
  31. How do muscles work to move bones?
  32. What is work? How do know youhave performed work on an object?
  33. What is the formula for work?
  34. It takes a boy 30N to lift a dragon 2 meters above the ground. How much work did the boy do on the dragon? Show your calculations.
  35. Define the following: Vein, Artery and Capillary.
  36. What is an organic compound? Give an example.
  37. What are the three components (parts) ofthe cell theory of life?
  38. When new skin forms over a cut or wound, this illustrates which component of cell theory?
  39. Complete the following levels of cell organization

Cells______-->______-->______--> Organisms

  1. Which cell produces its own food through photosynthesis? Which organelle is responsible?
  2. Which cell organelle performs a similar function for the cell as the nervous system does for the human body?
  3. How are the skin and a cell membrane similar?
  4. Which organelles of the cell function in a similar manner to the digestive and excretory systems?
  5. What are some reasons for an adrenaline rush?
  6. The circulatory system moves oxygen ______the body, and the ______system moves oxygen INTO the body. (copy and fill in the blanks)
  7. What happens to a person’s heart rate as activity increases?
  8. Which blood cells are responsible for fighting infections?
  9. Which blood cells are made in the marrow of the large bones and carry oxygen to the cells and carbon dioxide away?
  10. When we eat something, the digestive system changes the food into ______energy. Then the body turns that energy form into thermal energy that helps us maintain our ______temperature. This helps us maintain homeostasis. (copy and fill in the blanks)
  1. What are the three types of muscles, what do they look like and where are they found in the body?

Complete this review and you WILL pass the six weeks test and the semester final!!!