Name of Investigation - 1st Law of Motion - Inertia

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Science Parent Interview Student name _______________________________________ date_________________ Parent’s signature _________________________________________ Directions: Take home your notes about your completed experiment / demonstration. Tell your parent or guardian about your activity and be SURE to use the vocabulary that you learned. Then, interview that person by asking these questions: 1. What is air resistance? What are some examples of things that would have air resistance if thrown through the air? 2. What is a “U- spring” and what kind of energy does it have when the spring is RELEASED? 3. What were some of the vocabulary words that I used? 4. What is an anomaly and what was the anomaly in this activity?
Physics with Toys student name ______________ Name of Investigation - Center of Gravity BIG IDEA - Balance Vocabulary: Center of gravity Stability Triangulation Equilibrium – two forces are equal Given a popsicle stick, try to balance it on your finger. Can’t do it? Sure you can! Now use wire and weights and see if you can do it. Why would the popsicle stick not balance by itself but did balance when you used the wire and weights? Stations: go to each station and follow the directions at the station or on your worksheet. • Finding the Center of Gravity • The Human Body Eagle Balance • United States Map Clown Balance • Fork and Spoon Balance Belt Balance • Hammer and Ruler Wooden Man Balance Do each activity. Then write up a summary of what you observed and an explanation of WHY it worked. Give me detailed answers. You MUST use your vocabulary! The Human Body 1. Place a cup in front of your toes.. 2. Stand against the door with your heels and shoulders touching. 3. Without bending your knees, pick up the cup without falling forwards. When you stand up straight, the center of gravity is about where your belling button is (but inside of you). You can stand up because the center of gravity is directly above your feet. Your weight above your belling button is the same as the weight below your belly button, so the weight is equal on either side of your center of gravity. You're balanced. But, when you bend down to pick up an object, you shift the distribution of your weight. The center of gravity is the same place - directly above your feet - but the POINT of the center of gravity is different because you have shifted your weight. (Now it's about where your chest is) Now half of your weight is in front of you and the other half is in back of you. Notice that your behind is NOT over your feet anymore. It sticks out because you have shifted your weight in order to balance.
Page 1 and 2: Physics with Toys student name ____
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Page 9 and 10: B. Acceleration is DIRECTLY proport
Page 11 and 12: Now let’s look at a train and a b
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Page 27: hold the gun against a tabletop in
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Page 33 and 34: Hammer and Ruler Draw what you see
Page 35 and 36: Wooden Man Balance Explain why this
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Name of Investigation - 1st Law of Motion - Inertia

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