Wednesday, October 19, 2011

Making a good impression!

We have been studying fossils this week and spent some time discussing the definition of a cast, a mold and an imprint. As a culminating activity each child made their own imprint of an object found in nature. Before they made their own imprint- I shared 3 different examples: a ring, a key and a fork. Then I asked them to record what each imprint will show future people about how we lived. You can get the recording sheet by clicking on the picture.

Here is the recipe to make your salt dough if you want your students to try this activity:

  • 4 cups of all purpose flour

  • 1 cup of salt

  • 1 and a half cups of water

  • bowl

Mix the above ingredients in the bowl until dough forms. Add extra water a little bit at time if needed if the dough is too dry.

Give each student a small ball of dough and have them flatten it on wax paper. Students will gently press their object of choice into the dough. Have your students carve their initials into the dough before collecting. Place the creations on a cookie sheet (take off the wax paper) and bake at 350 degrees for 30-45 minutes. This will harden the dough and make the lasting impression! Have fun!!


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