Did you know fish control how much they sink or float to the surface by using muscles to squeeze or relax a small sac of air bubbles in their body? By squeezing the sac, the fish sinks and by relaxing it, the fish rises.
Learn about pressure with the fantastic diving octopus! Great for classrooms and the home, all you need for this activity is a bottle of water and the diving octopus. Make your octopus dive up and down by simply squeezing and releasing the bottle. With detailed instructions and fun facts on the back of the pack, the diving octopus is a delightful teaching tool.
FEATURES & SPECS
This product also makes a great classroom teaching resource. This product can be used in classroom activities that align with the Australian Curriculum.
Year 2 - ACSSU033
A push or a pull affects how an object moves or changes shape
Year 4 - ACSSU076
Forces can be exerted by one object on another through direct contact or from a distance