16. If we were to describe what is happening to you as you sit at your desk we could say that your body is _______ on the chair and that the chair is __________ up on you preventing you from falling through the Earth.
16. Answer The chair is pushing up on you You are pushing down on the chair Example of a Balanced Force
17. Which of Newton’s three laws describes the motion of a water sprinkler when the direction of the sprinkler is the opposite of the flow of water?
17. Answer 3 rd Law of Motion For every action there is an equal and opposite reaction
18. Which of Newton’s laws describes the behavior of your book sitting on the table until someone moves it?
18. Answer 1 st law of Motion An object at rest will stay at rest, an object in motion will stay in motion unless acted on by an unbalanced force
19. Give at least two examples of the following types of simple machines: A: Inclined Plane B: Pulley C: Wedge D: Wheel and Axle
19. Answer A: ramp B: blinds, water from well, bike chain around gear C: Ax, knife D: car tires
22. Which bone(s) are responsible for protecting your lungs?
22. Answer Ribs
23. What type of muscles, voluntary or involuntary, or cardiac, control the following functions: A: Muscle found in the heart B: Muscle that move bones C: Muscles that control major functions of body D: Muscles that control breathing when you are not thinking about breathing E: Muscles that are found in the stomach
24. What is the primary function of the following organs… A: Large Intestine B: Small Intestine C: Stomach D: Heart E: Lungs F: Alveoli
24. Answer A: To remove excess liquid & pass on waste B: To absorb nutrients C: To mix up food D: To pump blood through out the body E: To give fresh Oxygen to body, remove Carbon Dioxide F: Air sacs in lungs that store and release oxygen
25. List, in order, the sequence of organs through which food passes after it enters your mouth.
25. Answer Mouth to Esophagus to stomach to small intestine to large intestine to rectum to anus
26. Briefly explain how nutrients that are processed by the digestive system are able to get to all of the body cells.
26. Answer The nutrients are absorbed in small intestine and transferred to blood then goes to other parts of body through blood vessels.
27. How do the skeletal, muscular, and circulatory systems work together so that you can enjoy movement?
27. Answer Skeletal- Gives shape Muscular- allows movement Circulatory- oxygen travels in blood to all cells in the body
28. Which three systems must work together to bring oxygen to your body cells?
28. Answer RespiratoryCirculatoryMuscular
29. Which structures in your respiratory system are responsible for filtering dust, pollen and other materials of the air before it reaches your lungs?
29. Answer Mucus Linings Cecilia (hairs)
30. What forces push the blood through your blood vessels?
30. Answer Heart Pumping –Contraction of the ventricles pushing the blood out of the heart
31: Identify the following examples as being a response to either an internal or external stimuli A: Getting a blister on your heel from new shoes B: Sneezing after inhaling dust C: Running a fever when you are sick D: Getting a sunburn form being outside all day
List the units of measurement that would be used to measure the following distances: 35. The length of a pencil tip ________________ 36. The length of a book _____________________ 37. The length of a table in the cafeteria _______________________ 38. The distance from Houston to Dallas _________________ 39. The distance from Earth to the Moon ___________________ 40. The distance from Earth to a star named Alpha Centauri ____________
35 – 40 Answers 35. mm 36. in /cm 37. feet / meters 38. miles / kilometers 39. light year 40. light year