Oneone SK-4 Objective: To define “mass” and “weight” in order to distinguish between the two. Core Question: Why do scientists prefer to measure using.

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Presentation transcript:

oneone SK-4 Objective: To define “mass” and “weight” in order to distinguish between the two. Core Question: Why do scientists prefer to measure using mass rather than weight? Drill: Compare your paragraph with your neighbor. List some similarities and some differences between the two paragraphs.

oneone SK-4 KEY VOCABULARY 1. mass – the measure of the amount of matter in an object (does not change based on location) Click here for your weight on other planets. 2. weight – the measure of the gravitational force on an object by another body (changes based on gravity and mass) 3. gram (g) – the basic unit for mass (about the mass of a paper clip) 4. kilogram (kg) – 1000 grams ***Mass is often measured using a triple beam balance. ***

oneone SK-4 Why do people go on diets? Hmmm.

oneone SK-4 How can a person gain mass? Eating Injections Drinking Implants Inhaling Braces

oneone SK-4 How can a person lose mass? BleedingLosing TeethBlowing NosePuking Drooling“Pooping”Clipping NailsCrying SweatingAmputationEarwax outHaircut CoughingSkin PeelingZit PoppingSpitting UrinatingOrgan RemovalDonating BloodShaving ___________________

oneone SK-4 How can a person gain or lose weight? 1. gain or lose mass 2. go to a different gravity

oneone SK-4 Basic Conversions (on Earth) 1 pound ≈ kg 1 kg ≈ 2.2 lb The gravity on the moon is about 1/6 the gravity on the Earth!!

oneone SK-4 TRY THESE What is your approximate weight on Earth? What would be your approximate weight on the moon? What is your approximate mass on Earth? What would be your approximate mass on the moon?

oneone SK-4 TRY THESE What is your approximate weight on Earth? Weight = “x” What would be your approximate weight on the moon? Weight on Moon = “x” ÷ 6 What is your approximate mass on Earth? Mass on Earth = “x” × What would be your approximate mass on the moon? Same as Mass on Earth…WHY?

oneone SK-4 Homework: Paragraph – How would your life be different if you lived on the moon? **Write in your journal. **Include a topic sentence.