Match the following bird / animal with an object you think is closest to its weight.
Here is some information on the length of the birds / animals that may help you guess better. Crow 16 to 21 inches, Red Tail Hawk 18 to 26 inches, Red Snapper, the fish can be of various lengths but here we are considering it 18 inches, Chihuahua 7 to 12 inches in length, Eastern Gray Squirrel is 9 to 12 inches, and a song sparrow is 4.7 to 6 inches.
Before writing correct answers, let me share a story behind this activity. It all started with Brittany’s idea to have a table top activity demonstrating how amazingly light the birds are. She suggested if we can have bean bags of equivalent weights which the visitors of the Environmental Volunteers Ecocenter can lift and feel the heaviness or lightness of the birds.
I started designing this activity with some research on birds of the bay area and their weights. I was astonished to find that Anna’s Humming Bird which is around 3 to 5 inches in length weighs 4 to 4.5 gm which is less than the weight of a quarter US dollar coin ( 5.67 gm)!
Anna’s Humming Bird weighing less than a quarter US dollar coin.
“How might we showcase such an amazing fact?” was something that made me think and thus came up the idea of using every day objects to represent a bird’s weight. Next question was how do we bring to the notice that the birds are actually very light? It needed a comparison and thus animals and fishes entered the activity.
Here is how the activity looks like.
Activity Kit: How Heavy Are They?
Check your answer
So here are the correct answers:
How the Kit was made?
Using everyday products to represent weight was a good idea but it was also very good to attract insects and ants, especially for food items. So here is how we kept the packing and replaced the inside thing with something else. A list of ‘what is inside’ was made and given to the EV for easy kit maintenance.
Different Inside: A chocolate bar was replaced with an equivalent weighing ceramic tile wrapped with a soft paper towel, butter was replaced with stones and batteries.
Cards were printed on a US letter card paper, each sheet having nine images of birds / animals. Individual cards were cut from the sheet. Each card has a logo of Environmental Volunteers on the back side.
Cards on US letter size paper
The instruction sheet was printed on regular US letter paper and laminated on a foam board.
To use this kit visit Environmental Volunteers Ecocenter.
It is truly amazing how light birds are. Do check out weight of birds around you and how they compare with everyday objects.