Lift
What force helps an airplane rise into the air?
Lift
What force pushes an object forward?
Thrust
What force slows objects down as they move through air or water?
Drag
What force helps objects float in water?
Buoyant force
Name one traditional technology used for hunting or fishing.
Bow and arrow, spear, fishing net
Which part of an airplane creates lift?
The wings
What provides thrust for a rocket?
Engines / burning fuel
Is drag stronger when an object moves fast or slow?
Fast
Does buoyant force push up or down?
Up
$300: Why can a large ship float?
✅ It displaces a lot of water
$400: Name one object that sinks and one that floats.
✅ Answers vary (e.g., rock sinks, wood floats)
What traditional technology was used to travel on water?
Canoe
Lift works because of differences in what around the wings?
Air pressure
How does a swimmer create thrust?
By pushing water backward
How does a parachute use drag?
It increases drag to slow falling
Why can a large ship float?
It displaces a lot of water
How did snowshoes help people move in winter?
They spread weight so people don’t sink
Name one flying object (not an airplane) that uses lift.
Bird, helicopter, kite, insect
Name two objects that use thrust to move.
Car, boat, rocket, airplane
Why are race cars shaped smoothly?
To reduce drag
Name one object that sinks and one that floats.
Answers vary (e.g., rock sinks, wood floats)
Which force helps a canoe float on water?
Buoyant force