Strength -

Strength -

Strength -

A beam bridge's strength depends on the strength of the roadway and can be increased by adding additional piers.

An arch bridge is a bridge with abutments at each end shaped as a curved arch

Suspension bridges in their simplest form were originally made from rope and wood.

weakness

weakness

weakness

Suspension bridges are flexible, which is an advantage until conditions become severe. Instability in extremely turbulent conditions or during strong earthquakes may require temporary closure. In 1940, high winds caused the Tacoma Narrows bridge, near Seattle, Washington, to collapse.

Beam bridges may be costly even for rather short spans, since expensive steel is required as a construction material.

The longest of this type of bridge in the world is the one found in China, specifically over the Yangtze River spanning over 1,800 feet.

swimming

T look the water,T say to my self, yes i will dive in it was freeszing t went up and took a deep breath and dived back in ,as my ,wetsuti filled up whit  water , t can feel the water bouncing.as t tuble on my back,t can see the light blue sky.''''''''''''7

Bee poem

                          

 Bee poem

(1.) The eyes shimmer as the sun hits its surface.

(2.) The wings attach to the body.

(4.) The abdomen lays as the wind blows.

(5.) The sharp pointy knife pokes out still.