What is the best way to make a model (3-D) of the earth's interior to show 7th graders?

Question

Something easy with minimal material, but that the kids could do as well.

Answer 1

Make a Jello mold with different flavors to represent the different layers. Then, when you are done, they can eat it.

Answer 2

Materials needed:
Tennis ball.
About 10 news papers.
Paper Glue, about one pound.
Long saw Knife.
Gloves.
Fan.
Marker.
Different Colors Spray.
Wooden Stick.
Wooden Base.
Wood Glue.
Drill, and bits.


Put-on your gloves.
Cut the newspapers into shreds, about one inch wide.
Bring a tray, pour the glue in, add some water and mix.
Bring the tennis ball.
Turn-on the fan and direct it to the project site.
Wet the newspapers shreds with the glue mixtures.
Apply the wet shreds on the ball, making sure the keep the spheral shape.
Keep going until you reach the desired size.
Keep in ventilated area for 24 hours.
Then mark the part you want to cut using the marker.
Using the knife carefully cut the desired shape, including the tennis ball.
Color spray your earth project, and wait for dryness, then right the earth’s layers or instructions using stickers.
Glue the stick with the earth project by drilling a hole at the bottom of the project.
Drill a hole in the base, same size as the stick thickness, and then glue the stick in.
Paint base if needed.


You can also have an alternative way:
PAM Food Spray.
Plastic Soccer Ball.
Crack Filler Foam.
Box Cutter.
Long Saw Knie.

Drill a small hole in the ball, use the straw that came with the foam to spray PAM inside the ball, make sure you spray thoroughly, then fill the ball with the foam, wait 3 hours, peel using the box cutter, paint and decorate.

Answer 3

Get them some plastic paper-sized sheets and some color markers. Have them draw and label each layer and overlap each sheet from inside out.

Answer 4

Paper mache and some paint.

Answer 5

you only need a big ball of styrofoam, color it, make parts to represent the layers..

Answer 6

clay