7th Grade Math

Congratulations!Congratulations!

Projects

2. Estimate each leaf’s surface area and volume and record
   it in the table. Find the ratio of the surface area of the leaf
   to its volume. Write a few sentences comparing the data
   presented in the table for the different types of leaves.


3. Use the Internet and research why leaves are flat and
   why surface area and volume ratios are important to a
   leaf. Write 1–2 paragraphs discussing the information
   you found about the anatomy of leaves.


4. Create a graphic organizer that will summarize all of your information
   and data. Use this in a presentation for your class. Include leaf samples
   and the calculations that go along with your work.

Making the Connection

Use the information collected about leaves as needed to help in

these investigations.

Science

Write a brochure detailing facts about the leaves you found and the trees

they come from. Be sure to include the names of the leaves and trees and

the volume and surface area of the leaves.

Art

Draw the leaves you have collected. Use a technique that will help to make

the leaves look realistic.

Language Arts

In the fall, many people rake leaves and place them in bags for yard

waste. These bags are then collected curbside. Research and write an

essay describing what happens to these bags of yard waste.

• Use a spreadsheet to calculate
  the surface area and volume.


• Use publishing software to make
  your graphic organizer.

You have successfully completed your botanist

tasks! Using your mathematical tools, you have

witnessed the power and importance of mathematics

in the real world. Surface area and volume are all

around us in all that we do. Keep up the good work!

Turn Over a New Leaf 675

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