Read page E-3

3 truths and a lie 1.In the United States, a disabling injury from a motor-vehicle accident happens every 13 seconds. 2.Men and women are equally likely to die in a motor vehicle accident. 3.Alcohol is involved in about 40% of motor vehicle accidents. 4.Motor vehicle crashes are the leading cause of death for people aged 1-44.

3 truths and a lie 1.In the United States, a disabling injury from a motor-vehicle accident happens every 13 seconds. 2.LIE-Men and women are not equally likely to be victims of accidents. Males are twice as likely to die in a motor vehicle accident. 3.Alcohol is involved in about 40% of motor vehicle accidents. 4.Motor vehicle crashes are the leading cause of death for people aged 1-44.

Smart Car Offers Drivers New High MPG Option, Top Crash Rating

Less than 10% chance of serious injury 11-20% chance of serious injury 21 to 35 % chance of serious injury 36 to 45% chance of serious injury 46% or more chance of serious injury Government agencies test cars and use a Five Star Rating System

How are forces related to motion? How does the size of something affect how it moves?

Read E-4

Activity 73 Title: Choosing a Safe Vehicle Problem: Is the rugged strong vehicle (#1) or the quick responsive vehicle (#2) safer? Hypothesis: If a consumer was buying a car based on safety, then the ____________ would be the safest vehicle.

Car Accident What comes to mind when you hear this term? The leading cause of death by unintentional injury for ages 1–44 is motor vehicle accidents. The most common ages of people killed in motor vehicle crashes are 15–24 and over 75. Why do you think these age groups have the most fatalities?

What do car accidents have to do with science? The study of motion is important in efforts to improve automotive safety and save millions of lives. Understanding the physics of how and why cars move helps auto engineers design better cars and can help drivers operate cars more safely.

What measurements do you think scientists and engineers find useful when studying car safety and accidents? Force Speed Acceleration

Data/Evidence: Which car features are most important to you? 1.____________________ 2.____________________ 3.____________________ 4.____________________ 5.____________________ What features most affect a vehicles safety? 1.____________________ 2.____________________ 3.____________________ 4.____________________ 5.____________________ Discuss with your partner what you consider to be important features in a family vehicle: Following the procedure in steps 3-7

Analysis Question #5 Discussion What are some questions about car accidents and car features that you would like answered to help you decide what makes a safe car?