Forces
A force is defined as...
A push and a pull that causes an object to move or change shape
External forces are forces that...
Internal Forces
Name 2 natural phenomena's that can affect people and structures.
What is flooding, ice storm (blizzard), tornado, hurricane, earthquake, tsunami, volcanos, cold front, and heat waves.
Island Lake is a public school in this province...
Ontario.
Observable events that are not human made such as hurricane, tornado, and earthquake
What is natural phenomena? (Natural disasters)
Which of the following is not an example of an external force
weather, compression, or gravity
What is compression.
Compression is defined as...
When an animal or plant has certain features that help it survive in its habitat
What is adaptation?
You are in grade _____.
What is grade 5.
There are 2 main forces that act on a structure, name these.
What is internal and external.
When we built structures in class with Scientists in School, what did we use as the 'external' force to test the stability.
What are books.
What is compression, tension, torsion, shear.
An earthquake happens when ...
What is two tectonic plates move, pressure builds, and the plates slip, causing an earthquake.
We used this coding site to create a game about strong building materials.
Scratch.
Engineers have to consider a lot of things before they can build a structure. If the structure (bridge) is designed properly, it should be able to support...
What is the load(s) placed on it. Cars, trucks, gravity.
What is true.
Shear is defined as
The push or pull of an object in opposite directions, tearing, or ripping
Name two impacts of a tornado on the natural environment - farm land - animals.
What is loss of habitat (animals) and fields destroyed, crops lost (food production).
The earth rotates around the sun in this many days.
What is 365.
The names that describe two types of force: one that touches the object and one that doesn't
What is contact and non contact forces
What happens to structures (buildings, bridges, cities) when an earthquake happens. List 3 things.
What is damage, buildings collapes, loss of life, power outages, economic costs (money to rebuild), food and water shortages.
Torsion is defined as
When material is being twisted.
What can engineers do to make tall buildings more stable?
What is build a wider base, use stronger materials, add the ball weight in the centre, triangle shapes
Spell the word that describes a natural disaster that causes a giant wave to flood the land
TSUNAMI