Measurements Created by Educational Technology Network. www.edtechnetwork.com 2009.

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Presentation transcript:

Measurements Created by Educational Technology Network. www.edtechnetwork.com 2009

Conversions Density Scientific Notation Significant figures Measurement tools 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

Conversions– 10 Points QUESTION: ANSWER: 55.700km

The prefix for one hundredth is…. Conversions– 20 Points QUESTION: The prefix for one hundredth is…. ANSWER: Centi-

Conversions– 30 Points QUESTION: ANSWER: 521.74mm

The prefix for Billion is… Conversions– 40 Points QUESTION: The prefix for Billion is… ANSWER: Mega

This symbol represents what prefix Conversions– 50 Points QUESTION: This symbol represents what prefix ANSWER: micro

What is the density formula? Density– 10 Points QUESTION: What is the density formula? ANSWER: Density = mass/volume

Density– 20 Points QUESTION: If an object has a mass of 53.4 g and a volume of 183 cm^3, what is the density? ANSWER: D = 0.292 g/cm^3

Density– 30 Points QUESTION: ANSWER: D = 4 g/cm3

Density– 40 Points QUESTION: ANSWER: Mass = 4 grams

Density– 50 Points QUESTION: ANSWER: Mass = 10 g

Scientific Notation– 10 Points QUESTION: Write this number in scientific notation: 534000000 ANSWER: 5.34 * 108

Scientific Notation– 20 Points QUESTION: Write this number is scientific notation: 0.0003240 ANSWER: 3.240 * 10-4

Scientific Notation– 30 Points QUESTION: Write this number in standard form. 8.36 * 104 ANSWER: 83,600

Scientific Notation– 40 Points QUESTION: ANSWER: 1.218 * 1014

Scientific Notation– 50 Points QUESTION: ANSWER: 2.2 * 10-7

Significant Figures– 10 Points QUESTION: True/ False Leading zeroes are always significant ANSWER: False

Significant Figures– 20 Points QUESTION: Zeroes are significant when…… (2 rules) ANSWER: 1. They are in between two non-zero numbers 2. When they are trailing zeroes after a decimal.

Significant Figures– 30 Points QUESTION: How many significant figures are there in 0.002402500 ANSWER: 7 significant figures

Significant Figures– 40 Points QUESTION: Which problem has more significant figures and how many does it have? A. 3,405,000 B. 26070.0 ANSWER: B. It has 6 significant figures

Significant Figures– 50 Points QUESTION: How many significant figures will the answer to this expression have? 2.93 * 0.0040 = ANSWER: It will have 2 significant figures

Measurement Tools– 10 Points QUESTION: What unit is used to measure mass? ANSWER: Gram / centigram

Measurement Tools– 20 Points QUESTION: What unit is used to measure volume? (List BOTH) ANSWER: mL or cm3

Measurement Tools– 30 Points QUESTION: What is the volume? ANSWER: 39mL

Measurement Tools– 40 Points QUESTION: What is the volume of Scuba Steve? ANSWER: 1.6mL

Measurement Tools– 50 Points QUESTION: What mass is shown on the triple beam balance? ANSWER: 272.1g