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Variables 8th Grade Science
Does the mass of a derby car affect its speed?Scientific Question (problem): Does the mass of a derby car affect its speed?
What is being tested or compared in an experiment.It is what the experiment is all about It is the “cause.” It is the “before”
What is being tested or compared?Does the mass of a derby car affect its speed?
The outcome or the results of the experimentDependent What is being measured. It is the “effect.” It is the “after.”
What is being measured? Does the mass of a derby car affect its speed?
How to Write a HypothesisDescribe the relationship between the IV & DV: The more/less of the _IV_, the more/less the ___DV__.
The Hypothesis should predict…As the IV (increases or decreased), the DV (increases or decreases).
Hypothesis The more mass the car has, the faster it will go. orThe less mass the car has, the faster it will go.
Stay the same throughout the experimentConstant Variables Stay the same throughout the experiment
Constants Race course (distance, steepness, etc) Wheel size ShapeSame kind of wood/brand Drop time (release levers)
Control (normal) – plain wooden carExperimental Group- Different weights added to car
2nd Daily Question: Write hypothesis & complete design chartDoes the shape of the pinewood derby car, affect its speed? Hint: use word “aerodynamics”
Science Fair Project Physics Ramp madness David Martinez Cydeni Carter.
Day Topic: Lab Write Up Objective: I will graph data from table and compare XT graphs of uniform and accelerated motion. Starter: Acceleration.
8/15/12 We want to see if running with weights on improves speed. Using 5, 10, 15 lb vests – be able to tell the 4 parts of the experiment that is needed.
An organized way of studying things and finding answers to questions.
SCIENTIFIC METHOD. #1. SCIENTIFIC QUESTION A testable, scientific question based on observations. How long does Old Spice Odor Blocker body wash eliminate.
Scientific Method A series of steps designed to solve a problem or learn more about the world around you.
The Man’s PSSA Practice.
Parachutes D. Crowley, Parachutes To be able to make parachutes which will travel at different speeds Friday, August 07, 2015.
Motion and Force Speed, Velocity, Slope, Friction, Acceleration, and Distance Vocabulary Terms - Introduction to a Marble Maze Project.
Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.
Pendulum Lab Physics First Graphing Practice. Graphing in Physics Physics looks for RELATIONSHIPS between variables – Relationship between your independent.
Scientific Method Vocabulary Terms
Quiz 1 - Scientific Processing
You have a question… Concepts of experimental design independent variable dependent variable constants control group experimental group(s) trials.
1. What is mass? 2. What is weight? 3. What is the scientific method? › After you define, list all the parts you remember below your answer.
Methods of Science Chapter 1.3 pages
Inquiry Test “What do I need to study?” asked the curious student. “Well, everything that we have covered so far.” replied the wonderful science teacher.
8 th Grade Science September 14, 2010 Ms. McKinley.
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