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Adaptations and the Environment Activity for Kids

Seed Grasping Challenge DIY

  • Duration: 30-60 min
  • Difficulty: Easy
  • Cost: $0 to $5

Test different ways to grasp seeds, to model the adaptations of bird beaks!

Material List

  • 1Grilling or salad tongs
  • 1Medium-sized tweezers
  • 1Needle-nosed tweezers
  • 1Handful of peanuts still in the shell
  • 1Handful of sunflower seeds still in the shell
  • 1Handful of sesame seeds
  • Warning:If peanut allergies are a concern, replace with almonds, chocolate, or gummy bears.


  • 1Place each different type of seed in a pile on your workspace.
  • 2First, try to pick up the peanuts with each of the different tools. Which one works best?
  • 3Repeat this for the sunflower seeds. Which works best?
  • 4Do it one more time for the sesame seeds. Which works best?
  • 5Which type of bird beak do you think each of these tools represents?

How It Works

Different types of birds have adaptations to be able to eat certain types of food. Birds that eat large foods, such as small animals, have big, powerful beaks. This is represented by the tongs. Birds that eat medium-sized seeds, such as sunflower seeds, have medium-sized beaks, like the tweezers. Some birds eat tiny seeds, which are represented by the needle-nosed tweezers.

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