Balloon Rockets Part 6 Daily Objective Air can

Balloon Rockets Part 6

Daily Objective ©Air can be compressed. ©The pressure from compressed air can move things.

Vocabulary © Inflate - To pump air into a container to make it bigger © Rocket - A vehicle used to launch things into space © Propel - To push forward © Distance - How far it is between two points © Move - To change place or direction; to put in motion © Travel - To move a distance

Introduction Today we are going to use balloons to make balloon rockets. © How can you make this bigger? © What happens to a balloon when you blow it up and let it go before you tie it? © Why does that happen? © What is a rocket?

Observations and Discussions Balloon Rocket Set-Up 1. Slide the large zip bag to one end of the flight line, making sure that the opening is close to the chair. 2. Pump up your balloon about half way. 3. Place the balloon in the zip bag. 4. Continue pumping the balloon up inside the bag until it cannot get any bigger. 5. Release the balloon and watch what happens!

Observation and Discussion Balloon Rocket Release As balloons are being launched… ©How does air make the balloon rocket move down the line? ©How did you get the balloon rocket to travel faster?

Discussion Ready, air Set, Go! IYou am going to pump into thisthe zipballoon bag and can pump more air into release balloon. The rocket becauseit itinisthe stretchy. airsetup. then Why didn’t rocket compressed in the balloon. Dobecomes you thinkthe thezipzipbag bagballoon will work the same work? Thisascreates pressure toor propel the way the balloon? Why why not? balloon forward. How are zip bags and balloons alike? How are they different?

Vocabulary Review © Inflate - To pump air into a container to make it bigger © Rocket - A vehicle used to launch things into space © Propel - To push forward © Distance - How far it is between two points © Move - To change place or direction; to put in motion © Travel - To move a distance

What We Learned ©Air inside a balloon is ________ compressed by the rubber skin of the balloon. Pressure from the compressed air ©_____ moves the balloon rocket