Science and Fun: Understanding Flight, Tides, Boomerangs, and Polymers

What is required for an object to truly fly rather than just glide?

• Initial thrust

• Constant thrust

• A high starting point

• A lightweight structure

Which of the following can only glide and not fly?

• Bird

• Paper airplane

• Propeller-powered airplane

• Jet engine squirrel

What causes the tides on Earth?

• The wind patterns

• The gravitational pull of the moon and the sun

• The rotation of the Earth

• The Earth's magnetic field

When do the highest tides occur?

• During a full moon

• During a new moon

• When the sun and moon are aligned

• When the sun and moon are at right angles

What is the unique feature of a boomerang's wings?

• They are both curved in the same direction

• They have airfoils pointing in opposite directions

• They are made of metal

• They are both flat

How does a boomerang return to the thrower?

• It is made of a magnetic material

• The lift from its wings makes it circle back

• It has a built-in motor

• It is thrown with a special technique

What are polymers primarily made of?

• Single molecules

• Chains of molecules

• Metallic bonds

• Ionic compounds

What characteristic of slime makes it flow like a liquid?

• Its temperature

• Loosely connected polymer chains

• Its color

• Its weight

What is the main difference between rubber and plastic polymers?

• Rubber polymers are more rigid

• Plastic polymers have more interconnected links

• Rubber polymers are heavier

• Plastic polymers are more flexible

What ingredient is added to glue and water to make slime?

• Liquid starch

• Vinegar

• Baking soda

• Salt