Measurement in Chemistry

Click on each unit of measurement and then match to the appropriate category. (your answers will be checked when you hit 'turn in work' at the bottom) (your answers will be checked when you hit 'turn in work' at the bottom) Length cm m mm centimeters kilometers decimeters measures distance Volume centimeters cubed mL Liters milliliters picoliters Measures how much space is occupied Mass grams kg centigrams mg milligrams Measures the amount of matter in a sample Reasonable Measurement Match each object to a REASONABLE measurement for that object. (your answer will be checked when you hit 'turn in work' at the bottom) Length of your arm 71 cm Mass of a coin 5.2 g Volume of water held by your tub 200 L Length of a room 7.2 m Mass of a person 61.5 kg Volume of water held in a bottle cap 1.5 mL Distance from Suwannee to Atlanta 56 km Length of a ladybug 2.0 cm Volume of water in a regular water glass 400 mL What does this instrument measure? (your answer will be checked when you hit 'turn in work' at the bottom) Length Mass Volume Temperature What does this instrument measure? (your answer will be checked when you hit 'turn in work' at the bottom) Volume Mass Length What does this instrument measure? Length mass volume What does this instrument measure? Length mass volume Temperature What does this instrument measure? Length mass volume What does this instrument measure? Length mass volume What does this instrument measure? What does the following instrument measure? Length mass volume temperature Units Type the answers into the boxes below the question. Enter your answer exactly as it is formatted in the question in order for the autograding to mark it correct. (your answer will be checked when you hit 'turn in work' at the bottom) Which is larger, cm or m? Which is smaller, kilograms or milligrams? Which is heaver, 1 g or a 10 mg? Which is longer, 34 cm or 1 m? Which represents 1000 meters, 1km or 1mm 1 kilogram is equal to _ g (just enter the number) Which is smaller, 10 mL or 1 L? m milligrams 1 g 1 m 1 km 1000 10 mL REVIEW: Units Fill in the answers in the table. Answer with only the number, and do not use commas in your answer. 1 g = _ mg 20 km = _ m 300 cm = _ m 25 L = _ mL 6001 mL = _ L 3581 g = _ kg 1000 20000 3 25000 6.001 3.581 What's the difference between precision and accuracy? Watch the video and use the information to answer the questions below. Define precision in your own words. Define accuracy in your own words.