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Did you know that water makes up 70% of our planet’s surface? But, most of that water is salt water, decreasing the amount of readily usable water for humans. Water is our most important resource and you’d be surprised to see how relatively little of it we are able to use on Earth! Investigate and observe with today’s science instructor! DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPO...

We’ve gone over how valuable the sun is to our lives, but because it’s so powerful, it can also be risky to get too much exposure to it. It can even cause damage to your skin, eeek! Listen to our science instructor review some ways to protect yourself from the sun while still enjoying it. DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATREON: patreon.com/PSscience VISIT OUR ...

Learn about the energy that the sun provides through light and heat, helping organisms to eat, grow, and generally survive! DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATREON: patreon.com/PSscience VISIT OUR WEBSITE: psscience.org/about/

Urban environments need plants and produce too! Learn about “food deserts” and think about how community gardens can benefit the community. DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATREON: patreon.com/PSscience VISIT OUR WEBSITE: psscience.org/about/

Plants need structures that help them grow, survive, and reproduce. Tropisms are very important mechanisms that help help plants during this process. Learn all about it with our science instructor! DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATREON: patreon.com/PSscience VISIT OUR WEBSITE: psscience.org/about/

What is the sun? It’s a star?? And a relatively small star at that? And it’s reeeeeeally hot, which is why we have to be careful about our exposure to it. Find out some more cool facts about the sun and experiment with our science instructor to develop a protection system that can help animals defend against it while still benefiting from its warmth. Have fun! DON’T FORGET TO HIT THAT LIKE AND ...

In this video, we'll learn about storm drains and how their designs play an important role in how they function. After watching, see if you can find some storm drains in your own neighborhood! DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATREON: patreon.com/PSscienceorg VISIT OUR WEBSITE: psscience.org/about/

In this video, we'll take a look at sedimentary and metamorphic rocks and see how they form! DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATREON: patreon.com/PSscienceorg VISIT OUR WEBSITE: psscience.org/about/

What would happen if there were no more plants on Earth?? We shudder to think. Do you have any predictions? Ecosystems would be greatly affected. What is an ecosystem? Funny you should ask; we review in today’s video! DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATREON: patreon.com/PSscience VISIT OUR WEBSITE: psscience.org/about/

Hey don’t look now, but your epidermis is showing! Made ya look. The internal and external structures of organisms are important in more ways than one. They help organisms survive, reproduce, and develop. From plants to animals to insects and more, explore with our science instructor to learn about some of these structures! DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATRE...

Today’s science instructor explains the wonders of virtual dissection. The eye of the cow is very similar to the human eye; follow this link to see a video of a cow eye dissection! www.dropbox.com/home/PS Science Grade 4/-Lesson 4-4- Eyes:Seeing?preview=dissectiononly.mp4 DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATREON: patreon.com/PSscience VISIT OUR WEBSITE: psscienc...

There is more than meets the eye in what we’ve covered so far. What are the parts of the eye and what do they do? Find out in today’s fun exploration. DON’T FORGET TO HIT THAT LIKE AND SUBSCRIBE BUTTON! SUPPORT US ON PATREON: patreon.com/PSscience VISIT OUR WEBSITE: psscience.org/about/

Reflection of Light

Transmission and Reflection of Light

Eyes and Light

Energy and Speed

Seeds

Sun and Shadows

Seasons

Communicating Over a Distance

PS Science Instruments

Igneous Rocks

Sense of Smell

Hearing

Photosynthesis

Collisions

The Mysterious Hanging Pear

Weather Mapping

Origami Jumping Frog