![Assortment of seeds](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Assortment_of_seeds.jpg?itok=GZAoRu_W)
Design & Build a Seed Sorter
Lessons
Students will work collaboratively to design and build a device that is able to sort seeds by size.
![Wooden sieves](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/Wooden_sieves.jpg?itok=mkRg_oJ6)
Design & Build a Soil Sifter
Lessons
Students will work collaboratively to design and build a sifter that separates soil according to particle size.
![Skyscrapers](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/Skyscrapers.jpg?itok=HXAo4mHr)
Tall Towers & Sustainable Cities
Lessons
Students will design and build a model apartment building and learn how buildings such as these can be a solution for suburban sprawl.
![Dandelion seeds floating in the wind](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/dandelion_seeds.jpg?itok=_6JNjv98)
Design & Build a Travelling Seed
Lessons
Students will work collaboratively to design and build models of seeds that can travel as far as possible.
![Birds flying near a wind farm](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Birds_flying_near_a_wind_farm.jpg?itok=q2nkSzDU)
Are wind farms a threat to wildlife?
STEM Explained
Wind power is a growing source of electricity generation. But wind projects often affect local wildlife populations, and researchers are using environmental monitoring techniques to alleviate some of these impacts.
![heavy metal band](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Heavy_metal_band_0.jpg?itok=-Zc4rYXH)
A Taste of Heavy Metal
STEM Explained
Heavy metal is a term for some toxic chemical elements. They can cause problems like bioaccumulation, but are useful in nuclear medicine and medical imaging.
![3.7 V lithium-ion battery](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Lithium-ion_battery.jpg?itok=aIXK2bLA)
How does a lithium-Ion battery work?
STEM Explained
Learn about the electrochemistry in the batteries that power many of the devices you use every day.
![Tim Wilkinson Plumber/Welder](/sites/default/files/styles/career_image/public/2019-07/tim.jpg?itok=PJzFmBUH)
Tim Wilkinson (Video)
Plumber/Welder, City Of Toronto
![Shane Monaghan | Product Line Manager Shane Monaghan | Responsable de ligne de produits](/sites/default/files/styles/career_image/public/6749_13.jpg?itok=SM6SQwMH)
Shane Monaghan
Career Profiles
Product Line Manager
![Schuyler Kahgee - Industrial Millwright Apprentice](/sites/default/files/styles/career_image/public/2019-08/Schuyler%20Kahgee_14.jpg?itok=s7AJ0u1V)
Schuyler Kahgee (Video)
Career Profiles
Industrial Millwright
![Kevin Hill - Regional Maintainer Forestry](/sites/default/files/styles/career_image/public/2019-08/Kevin%20Hill_14.jpg?itok=mgpmyDsR)
Kevin Hill (Video)
Regional Maintainer
![JENN GREEN | MAINTENANCE PLANNER & SCHEDULER JENN GREEN | MAINTENANCE PLANNER & SCHEDULER](/sites/default/files/styles/career_image/public/6739_2.jpg?itok=GlnVMWLE)
Jenn Green (Video)
Maintenance Planner & Scheduler
![TREVOR ROOTE | MECHANICAL MAINTAINER TREVOR ROOTE | MECHANICAL MAINTAINER](/sites/default/files/styles/career_image/public/trevor_2.jpg?itok=PFx7W6EY)
Trevor Roote (Video)
Career Profiles
Mechanical Maintainer
![Anna Sabucco - Co-founder of sil’s complete auto care and bookkeeper](/sites/default/files/styles/career_image/public/2019-08/Anna%20Sabucco_28.png?itok=q0w7sbC3)
Anna Sabucco (Video)
Co-Owner
![JESSE CASTELLI | MILLWRIGHT, ARCELORMITTAL DOFASCO JESSE CASTELLI | MILLWRIGHT, ARCELORMITTAL DOFASCO](/sites/default/files/styles/career_image/public/6732_2.jpg?itok=Xn2V98Xd)
Jesse Castelli (Video)
Millwright