Topical Science—April 2021


Welcome to another month of fun science! Whether you’re teaching from home or in the classroom, these videos will help you make science class more topical and fun. Let’s jump right in.

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Sunday, April 4

Geologists Day

This day was established in 1966 and celebrates the work of geologists. Geologists are scientists who study the natural processes that shape our world—for example, rock formations and how these are created. One of the world’s most famous land formations is the Grand Canyon. Discover how the Grand Canyon was created in this video:

Monday, April 5

National Wildlife Week

Celebrated since 1938, National Wildlife Week is an annual education program that connects and educates conservationists of all ages. The aim of the movement is to teach people how we can protect wildlife and wildlife habitats. One simple thing you can do to help is cleaning up outdoor spaces—for example, doing a beach cleanup. Learn more.

Wednesday, April 7

World Health Day

World Health Day is a global awareness day sponsored by the World Health Organization. Each year, the day focuses on a specific health topic, with the aim to improve the health of people all around the world. One important aspect of health is what you eat. Learn more about what constitutes a balanced diet in this video: Watch now.

International Beaver Day

In North America, the beaver population has drastically diminished over the last centuries. As a result, a lot of wetlands have disappeared, causing problems such as water pollution and flooding. By protecting beavers and letting them build their dams, those problems could be avoided, which is the aim of this day. Learn more about how beavers build dams: Watch now.

Monday, April 12

International Day of Human Space Flight

On April 12, 1961, Yuri Gagarin became the first human to travel into outer space. In 2011, on the 50th anniversary of Gagarin’s journey, the UN proclaimed April 12 the International Day of Human Space Flight. The day celebrates all the humans who have ever traveled into space and the important research they have done. On this day, why not find out more about astronauts’ lives in space? For example, how do they exercise?  Watch now.

Wednesday, April 14

National Dolphin Day

This day aims to educate people about dolphins, their habitats, and their importance to the health of the ocean. It also encourages people to find out what they can do to protect dolphins. Dolphins are amazing creatures who have a very special way of communicating with each other—echolocation! Learn more.

Thursday, April 22

International Mother Earth Day

Established by the UN in 2009, this day promotes “a view of the Earth as the entity that sustains all living things found in nature.” In other words, it encourages us to learn about how everything on the Earth, including us humans, relies on the health of the planet and its biodiversity. But what is biodiversity? 

Saturday, April 24

World Immunization Week

This World Health Organization event promotes the importance of vaccines to protect people around the world from diseases. Every year, millions of lives are saved because of immunization, and many diseases, such as polio, have been almost completely eradicated thanks to vaccines.

Sunday, April 25

National DNA Day

On this day in 1953, Rosalind Franklin, James Watson, Francis Crick, and Maurice Wilkins published their groundbreaking papers on the double-helix structure of DNA. To celebrate, this day encourages people to learn more about DNA. You can find out more in this video: 

Monday, April 26

Richter Scale Day

This day celebrates the birth of Charles F. Richter, an American seismologist who invented the Richter scale. Today, the Richter scale is used worldwide to measure the strength of earthquakes. But how does the scale work? Find out more:  

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