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Homeroom ____________________________________________ Student Name __________________________________________ What are Speed, Velocity and Acceleration? Main Idea: Motion can be described and measured by position, speed, velocity and acceleration. 1 Four Terms to Know… Speed—Speed is the measure of how fast an object changes position. Velocity—Velocity is the measure of the speed and direction of an object. Acceleration—Acceleration is the rate at which an object changes velocity. Frame of reference—A frame of reference is an object used to compare the motion of other objects. YOUR First Sixth Grade Experiment Date: Lab Title: Make a Parachute Inquiry: How does a parachute affect the way an object falls? Materials: String, plastic bag, tape, plastic figure Procedures: See book page 97 Prediction: to fall… I predict that the parachute will cause the object Data: Hypothesis: The parachute may affect the object’s fall because… Conclusion: 2 Supporting the main Idea What to Do: Find details in the reading that support the lesson’s Main Idea. Rewrite the details (do NOT copy from the book) on the lines below, and write the page number where you found the detail. One has been done for you as an example. This Lesson’s Main Idea is, Motion can be described and measured by position, speed, velocity and acceleration. 1. Compare objects to other objects to describe speed and motion. Page F98 2. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 3. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 4. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 5. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 6. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 7. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 3 4 Main Idea Practice #1: Fill in the words: __________________ can be described and measured by position, ______________, __________________ and acceleration. 5 Word Search What did the snail say was the reason he could not identify the turtle that ran over him? To get the answer, find these words. Then, start at the top line and plug in the unused letters in the blanks at the bottom. ACCELERATION AVERAGE DISTANCE FRAME KILOMETER METERS PER SECOND MILES PER HOUR MOTION POSITION REFERENCE RELATIVE SPEED TIME VELOCITY M R I R M N T A E L F L H Y A I E P P E E O M N E R D S T O L F F A T T I I S T A N A I A E E D T E T E O T U M V S C R S R D I R O T M D I E P C O L P E E I S R L T O R S E E L C E N E L P T A P A L L O E E J R C P J E K A G I E I V P V B H E S X R C E N R P I K I I N O M Q Q S C N A C T I N Z L W U Z N K E V T A A E C C T L K R N M H C I V L T M O T I O N T C Y Y O T E S P T H F W X C B P A N N R G R Y O X A J K K O P F P D P G J C N H Z J S Z __ __ __ __ __ __ __ __ __ __ __ __ __ 6 __ __ __ __ __ __ ! Word Cross Across 4. This is the rate at which an object changes velocity. 6. This is the first of three words describing one object used to compare the motion of other objects. 7. This measures how fast an object changes position. Down 1. This is the measure of the speed and direction of an object. 2. Part of the formula for finding speed, this is the length an object travels. 3. This is the third word describing one object used to compare the motion of other objects. 4. This number is an object's total distance traveled, divided by the time it takes to travel that distance. 5. This is the second of three words describing one object used to compare the motion of other objects. 7 Lesson One Vocabulary speed___________________________________________________________________ __________________________________________________________________ velocity__________________________________________________________________ __________________________________________________________________ acceleration_______________________________________________________________ __________________________________________________________________ frame of reference__________________________________________________________ __________________________________________________________________ formula for calculating speed: Main Idea Practice #2: Fill in the missing words! ___________________ can be described and measured by _____________________, speed, ____________________ and acceleration. 1. 2. A coyote could cover 129 miles in 3 hours running full tilt. How many miles per hour can it run? A house mouse could cover 40 miles in 5 hours of full-out running. How many miles per hour can it run? 8 Bill Nye Motion Worksheet Please Watch the Bill Nye video and fill in the blanks below: 1. Please listen to the opening song and fill in the blank: Inertia is a property of ___________. 2. What forces were holding the anvil up? ______________________________________ 3. What force is pulling the anvil down? ___________________________ 4. When Marco flicked the card, where did the coin go? ________________ 5. Whether moving or sitting still, everything has ______________________ 6. The men who were trying to move the boxes read that: Nothing gets moved unless it is p______________ or p___________________ Sir Isaac Newton’s Three Laws of Motion Newton’s 1st Law of Motion 7. Things at rest stay at _______________ 8. Thing in motion stay in ____________________ unless acted upon by an outside force. Newton’s 2nd Law of Motion 9. Force = _________________ times acceleration. Newton’s 3rd Law of Motion 10. For every action there is an equal and opposite ___________________________ 11. _____ What happened to the apple’s weight as the plane dived toward the ground? A) The apple became heavier B) The apple became weightless 12. _____ What happened to the apple’s weight as the plane rose up towards the sky? A) The apple became heavier 13. _____ In what units do we measure mass? B) The apple became weightless A) Meters B) Liters C) Grams 14. Listen to the song and fill in the blank: We are all in ____________________________. 15. Appalachian Astrophysics: The earth rotates at _______________ kph. The earth orbits the sun at ___________ kps. The solar system orbits the Milky Way galaxy at ______________ kps. And the galaxy and universe are expanding at speeds approaching ___________________kps. 9 Lesson Review 1. Main Idea: How is speed measured? Include four examples of speed units in your answer. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ _________________________________________________ 2. Vocabulary: Explain how speed, velocity, and acceleration are related to each other. ______ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ ____________________________________________ 3. Reading Skill: Problem/Solution: If a sprinter runs a distance of 100 m in 10 s, what is the springer’s average speed? ________________________________________________ _____________________________________________________________________ 4. Critical Thinking: Analyze: You are running east at a speed of 15 kph. A car passes you traveling east at a speed of 50 kph. You stop to wait for a bus and another car, traveling east at a speed of 50 kph, passes you. How does your changing frame of reference affect how fast you observe each car to be moving? ______________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ ______________________________________________________ 5. Inquiry Skill: Predict: How will punching a hole in a parachute affect its fall rate? ______ __________________________________________________________________________ __________________________________________________________________________ ___________________________________________________________ 10 commonly Misspelled Science Words accelerate; accelerating; acceleration chlorine electromagnetic height hydrogen hypothesis marshmallow nuclear nucleus neutron off or of opposite oxygen predict; prediction temperature their, there or they’re to, too or two vacuum weight which 11