Monday, 26 June 2017

Science Jrounal

Science journal week 5
This week I have been learning about gliding and flying.
I wonder if gliding helps bird fly?

I have also been learning about the four forces
They are    Drag.  Trust    Lift.   Weight
Trust is a forward force required to move a plane through the.
Drag is a force that acts against thrust and slows the airplane down.
Lift is a mechanical force generated by a solid object moving through a fluid.
Weight is a force caused by the gravitational attraction on the earth.

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