1. Who Sank the Boat? by Pamela Allen
2. The Magic School Bus Ups and Downs by Joanna Cole
Both of these books are great resources to begin talking to students about sinking and floating. The Magic School Bus book mostly deals with what does it take to sink an object and what does it take to make an object float. The students in the book try to sink their school bus to get to the bottom of a lake. They then want it to float again so they try to figure out a way to do that. Who Sank the Boat is about different animals trying to get into a boat. The story keeps you guessing until the end while you are trying to figure out which animal sinks the boat. After putting these into my investigation box I also found these great books:
3. What Floats? What Sinks?: A Look at Density by Jennifer Boothroyd
4. Float and Sink by Robin Nelson
These 2 books are great for giving students real life examples about what sinks and what floats. Both books use real life objects to engage children. They look what which objects float and which sink. Float and Sink also uses photos to show children what each object is.
Floating and sinking activities:
In a investigation box that I created I had 2 activities that children can do that relate to floating and skinking.
http://educationiseverything513.blogspot.com/2012/03/science-investigation-box.html
-The first one was simply a does it float or sink exploration activity. In this activity children take a variety of objects and a container of water and test them to see if they float or sink. Children can make predicitions about which ones they think will sink and which ones will float.
- The second activity that I included was a game called sink the lid. Use a simple plastic container lid that have raised up edges on them. Have children place glass stones one at time onto the lid. See how many it takes to sink the lid!
Both of these activities are great ways of reinforcing a sink or float lesson. They also teach children how to make predictions.
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