What Tools Do Scientists Use?

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Presentation transcript:

What Tools Do Scientists Use?

Qualitative vs. Quantitative Do not involve measurement Use numbers

Dutch eyeglass maker Anton Van Leeuwenhoek

Today’s Microscopes

Temperature Scales

How is Mass different from Weight? The amount of matter in an object Measured in grams or kilograms Use a balance The measure of the force of gravity’s pull on an object Measured in newtons Use a scale

On Earth this astronaut weighs 240 lb. Weighs zero pounds Weighs 60 pounds

Reading a Graduated Cylinder: What is a meniscus?

Review 1. What is a qualitative observation? 2. What is a quantitative observation? 3. What is the difference between mass and weight? 4. Name three things you need to do in order to stay safe in a science lab.