9/15 - 8th Grade Agenda Learning Objective: Learn about Mass Volume and Density Collect HW: Reading & Notetaking 22-23 Back to School Video Video: Cosmos Late Poster of Science Presentations Textbook reading: p. 31-33 HW: Reading & Notetaking p.24 - 28

Daily Reflection Prompt: Why is the metric system better than using feet, pound and ounce.

Scientific Process Observe Pose a Question Develop a Hypothesis Predict Experiment and collect data

Scientific Inquiry stigate anations Scientific Inquiry refers to the diverse ways in which scientists inve_______ the natural world and pose expl__________ based on the evidence they gather. stigate anations

1st Step: Posing Questions Scientific Inquiry often begins with a problem or question about an obse_________. rvation

2nd Step: Hypothesis anations Hypothesis is a possible expl_______ for a set of observation or answer to a scientific question anations

3rd Step: Design an Experiment An experiment in which only one var______ is manipulated at a time is called a controlled experiment Why is only one variable manipulated? iable

4th Step: Collecting and Interpreting Data Data are the facts, figures, and other evi_______ gathered through observations. It is usually a data or a chart dence

5th Step: Drawing Conclusions A conclusion is a summary of what you have lea_____ from an experiment. rned

6th Step: Communicating Communicating is sharing of ideas and experimental findings with others through writing and sp______. eaking

What is the difference between Mass and Weight? Weight is a measure of force of gravity on you. 90 pounds = 400 newtons Mass is a measure of the amount of matter an object contains

What is Volume? ace M ass V olume Volume is the amount of sp______ an object takes up. Density = _________ ace M ass V olume

What is Density? lume ngth dth ight Density is mass per unit vo__________ For Rectangular Solilds Volume = Le_______ X Wi______ X He______ lume ngth dth ight

Which object will float in water? Wood = .8 g/cm3 Ice = .9 g/cm3 Water = 1.0 g/cm3 Aluminum = 2.7 g/cm3 Gold = 19.3 g/cm3