![African Penguins African Penguins](/sites/default/files/styles/resource_card_image_360x300_/public/Africanpenguins.jpg?itok=Y2dGCsxw)
Birds: Flightless
Picture Collections
4 images of some birds such as emus and penguins that have less developed or small wings and have evolved over time not to be able to fly
![Rooster](/sites/default/files/styles/resource_card_image_360x300_/public/rooster.jpg?itok=T5njfe3D)
Birds: Landfowl
Picture Collections
4 images of some birds that are heavy-bodied and ground feeders such as turkeys, pheasants and peacocks
![Gingerbread house](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/gingerbread-house.jpg?itok=a0Cvegou)
A Merry Molecular Christmas
STEM Explained
Many holidays mean delicious food - and smells! This fun article looks at the chemistry behind the common aromas of Christmas.
![Green tree frog](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/Green_tree_frog.jpg?itok=Vf8kr8ir)
Amphibians
Picture Collections
12 images of some cold-blooded animals such as frogs and newts classified as amphibians that can live in the water or on land
![Toad camouflage matches stone it is on](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Toad_on_bricks.jpg?itok=ooEHAAhZ)
Animal Adaptations
Lessons
Students develop and apply collaboration & communication and computational thinking skills to learn the ways in which animals adapt to their environments.
![Butterfly on a flower](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/butterfly_on_a_flower.jpg?itok=UUF23_3p)
Animal Life Cycles
Lessons
Students develop sorting & classifying and comparing & contrasting skills as they investigate the life cycles of animals.
![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.
![Test tubes in a laboratory](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Test_tubes_in_a_lab.jpg?itok=Fyj1TcIR)
DNA Extraction
Backgrounders
Learn the basics of how DNA can be extracted from cells.
![Damage to DNA](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Damage_to_DNA.jpg?itok=qSvdjV4V)
Radiation Effects on Cells & DNA
Backgrounders
This backgrounder explains the effects of radiation on cells and DNA.
![Eruption on the surface of the Sun](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/eruption_on_surface_of_the_Sun.jpg?itok=07u3KH0k)
What are Cosmic Rays?
Backgrounders
This backgrounder has information about both cosmic & neutron radiation.
![Planet and asteroid orbits around the Sun](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Planet_and_asteroid_orbits_around_Sun.png?itok=Vp9Ht9tN)
Orbital Mechanics
Backgrounders
This backgrounder helps explain the laws of Orbital Mechanics, including Newton’s Laws.
![Container ship in St. John’s harbor, Newfoundland, Canada](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Container_ship_St._John%27s_NL.jpg?itok=2paJF3ET)
Why do Ships Float?
STEM Explained
Have you ever been on a ship and wondered how you’re staying afloat? The answer is buoyancy!
![Opening can of pop](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Opening_can_soda_pop.png?itok=zJDIkoIl)
The Chemistry of Pop
STEM Explained
There’s a lot of cool chemistry in a can of pop! Learn how solubility, chemical equilibrium, acids & bases and gas laws work in some of your favourite drinks.
![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.
![Close-up of an amethyst geode](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/geode_close-up.jpg?itok=e0eo8bjg)
What is a Crystal?
STEM Explained
Learn what makes a crystal a crystal.