How do you measure the volume of a solid object? LEARNING TARGET: I can recognize & communicate TWO ways to measure volume of a solid. SEP 25 / 26 Activity A8 Measuring Volume CHALLENGE Q: How do you measure the volume of a solid object? DISCUSSION: vocab: cubic centimeters (cm3) = milliliter (mL) Liter (L) Metric System mass volume qualitative vs quantitative sugar cube size ~quart based on 10s and Nature "stuff" "space" words vs numbers

TWO WAYS TO MEASURE VOLUME MEASURING with a ruler (LxWxH) WATER DISPLACEMENT

How could you find volume of: shoe box = DISCUSSION: (cont’d) How would you arrange these 7 objects from least to greatest volume? (sketch them) 1 2 3 4 6 7 5 How could you find volume of: shoe box = L x W x H wrench = displacement show 8.1 - 8.3-extra vids

PROC and DATA: Mat'ls: Proc: read A-34 Table # videos

make sure metals are DRY! before putting back in cup DATA: WS 8.1 a/b each group at least: 6 ruler measurements (1 decimal) 4 displacement measurements make sure metals are DRY! before putting back in cup (if done early read and THINK only) ANALYSIS: A-35 Qs 1, 3 and 6

ANALYSIS: A-35 Q 1 if object had regular shape = ruler irregular shape needed displacement (grad cylinder)

Q 6 "volume" to a 10 year old is "space taken up" more and more volume

1. check MISSING assignments (ASAP) ANSWER CHALLENGE Q: How do you measure… A: regular shape = irregular shape = ruler 3 dimensions displacement HW: 1. check MISSING assignments (ASAP) show 8.4 + 8.5-extra vids