Vocabulary Day - October 24th

Due Monday, October 29th - Hypothesis, variables/control, procedures and materials

SAMPLE Paper Towel Project

Hypothesis, Variables, Procedures and Materials

Due MONDAY

Hypothesis - If I test 3 different brands of paper towel (Bounty, Brawny and Viva), then the Viva paper towel will be the most absorbent.

Independent variable – The independent variable is the brand of paper towel used in the experiment.

Dependent variable – The dependent variable is the amount of water the paper towel holds.

Constant Variable – The constant in the experiment are the containers used, the amount of water from the eyedropper, and the number of paper towel sheets.

Materials

1 roll Bounty paper towel

1 roll Brawny paper towel

1 roll Viva paper towel

water

eyedropper

pennies

containers

rubber bands

Procedures

Drop Test

1.             Place towel A over the container and wrap tight with a rubber band.

2.             Fill the eyedropper with water.

3.             Place the bottom of the eyedropper directly over the paper towel and drop one drop at a time keeping   count.

4.             Stop as soon as you see water leaking into container.

5.             Record the number of drops in the data table. Repeat steps 1-5 for 2 more trials.

6.             Repeat steps 1 – 5 for paper towels B through E.

7.             Rank the paper towels from the one that absorbed the most drops (#1), to the one that absorbed the least drops (#5)

SCIENCE FAIR WEBSITE--EXCELLENT RESOURCE!!!

http://science.dadeschools.net/elementaryScienceFair/default.html

How Can I do Research for my Science Project?

You have a variety of sources on DESTINY http://virtuallibrary.dadeschools.net/elem_resources.htm.  You can also use google to do a search but make sure the sites you gather information from are reliable and valid. The bibilographical information and all of your research is due Wednesday, October 24th.

FIELD DAY T-shirt

Students Create Simple Machines

 Inclined Plane

Students working as a team to create a lever.

Wheel and Axle

Pulley

Students working together to create a lever.

What a GREAT lever!

A lever

Team work!!!

What Do We Have for Homework?- Updated

Check out Edmodo...Edmodo provides teachers and students a secure place to connect and collaborate, share content and educational applications, and access homework, grades, class discussions and notifications. Sign in and discuss anything related to school on this public forum.

NEW Group name: Martens Megaminds Group code:Ask teacher


http://www.edmodo.com/msmartens

Ava came to visit my class October 12th!