What materials are best for a product?
What is a midway material?
Mention two products we need to stop using to produce less waste.
Plastic bags, dry ice, diapers, single-use products
BONUS!
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What type of machine is a catapult?
Lever
Which materials are natural?
Stone, wood, and wool
It is the promotion of environmentally friendly policies, designs, and products within a business.
Eco-efficiency
What is a simple machine?
A device that helps make work easier.
An inclined plane has a fulcrum. TRUE OR FALSE?
FALSE. The fulcrum is found within levers.
Mention four mechanical properties
Elasticity, plasticity, flexible, rigid, soft, hard, strong, weak, brittle, tough
Gustavo's ecological footprint is 3.4
Jennifer's ecological footprint is 1.9
Who's more eco-efficient?
Jennifer
What is mechanical advantage?
The comparison of amount of force needed to move an object with and without a machine.
If F1 and F2 are equal in weight, where must we put them to have a balanced see-saw?
At the same distance.
Mention four physical properties
Electrical conductors, electrical insulators, magnetic, non-magnetic, transparent, opaque, absorbent, waterproof, viscous, fluid
What is the carbon footprint?
It is the amount of carbon dioxide produced by a given population, system, or activity.
Work is the force used to move an object a certain distance. TRUE OR FALSE?
TRUE
F1xD1 > F2 XD2
Where will the lever move?
F1 will be on the floor.
What type of material is plastic?
Synthetic
What is the inter-generational equity?
Taking into consideration present and future generations.
Which machines make up a wheelbarrow?
Wheel and axle and lever.
Mention the six simple machines
Lever, inclined plane, wheel and axle, wedge, screw, and pulley