Human
Made/Animal Made
Made/Animal Made
A spider web is similar to....
A fishing net
When playing a keyboard, you need to _______ on the keys.
push
A bridge with a flat part with a support at each end.
A beam bridge
This word means long lasting.
Durable
What was the purpose of the Great Wall?
A skyscraper is similar to ....
An ant hill
When dragging a wagon up a hill you need to _______ it.
pull
A beam bridge with triangular supports.
A truss bridge
A material that can bend like a straw is said to be ______?
flexible
Which material is found most often in the best preserved parts of the wall?
Stone or brick.
A beaver dam is similar to...
A hydro dam
Hitting a baseball causes what effect to the ball?
To change direction.
A bridge with equal supports at every point.
An arch bridge
What is the definition of strength?
The ability to support a load.
Name 3 materials that were used to great the Great Wall.
stone, brick, earth(dirt), wooden planks
A subway tunnel is similar to ....
A mole burrow
When an accordion is squeezed it is under ___________.
compression
A bridge supported by cables attached to towers.
A suspension bridge
What is the definition of stability?
The ability to maintain balance and position.
How long is the Great Wall, within 200 metres?
8851 km. (8651 to 10051 km)
The function of a mole burrow and subway tunnel.
A pathway underground
Stretching an elastic band. What is the force and the effect?
The force is a pull, the effect is changing its shape.
This suspension bridge spans San Francisco Bay and is 2737 metres long.
The Golden Gate Bridge
What are the 3 construction techniques used to make a material stronger and more stable?
Folding, adding layers and braiding.
What two things caused the most damage to the wall?
Natural forces and people.