The history of the earth is like a book with its first chapter ripped out with no surviving rocks from the very early period. The earth has experienced five mass extinctions before the one we are living through now, each so complete a wiping of the fossil record that it functioned as an evolutionary reset, the planets. Earth is currently the only known planet with water on the surface. While earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Why is earth the only planet known to have life and plants. It begins with a brief summary of how water provides for the earth and how it is a necessary component to life. But at a larger scale, we can only say we dont know. Mercury is the smallest planet and is the closest to the sun.
Every raindrop, lake, underground river and glacier is part of a single global well. Earth is the only planet where life has been found. Scientists think earth formed billions of years ago. The cutouts are colorful and the book is full of great ideas for young readers to do in celebration of earth day.
Early earth was covered in a global ocean and had no mountains. Amazing facts, photography, and illustrations bring our planet and its past to life in an exciting, engaging. Earth facts for kids information about earth dk find out. Discover how earth, air, fire, and water shaped the world and created everything that exists today. The planets palette of colors and textures and shapesfar more than just blues and whitesare spread across the pages of this book. At 375c, water would only exist as a gas, and the planet would be completely dry. Four planets in the solar system are bigger than earth.
With oceanic water covering 71% of its surface, earth is the only planet known to have stable bodies of liquid water on its surface, and liquid water is essential to all known life forms on earth. Water is the only substance on earth that is present in all three states of matter as a solid, liquid or gas. Earth is the only planet known to have lots of liquid water. Plants, animals, and humans are dependent upon water for their survival. The earth is the only planet with huge bodies of water70% of its surface area consists of oceans, lakes, and seas surrounding huge bodies of land. The planet earth series was a groundbreaking hd nature experience, with truly breathtaking detail, colors, and onceinalifetime scenes caught on video. This habitable zone is a perfect distance from the sun. Informational nonfiction, 240 words, level h grade 1, lexile 480l multilevel book also available in levels k and n. Earths orbit is not a perfect circle, rather it is oval shaped.
Earth is unique among the planets of the solar system because it has liquid water at the surface. Almost every one of the volcanoes on earth is hidden under these oceans. This is because almost 70 percent of earths surface is covered with water. Purchasing this book, i was hoping to have a coffee table companion to the quality of the images seen in the tv series.
Oct 01, 2018 currently, earth is the only known planet or moon to have consistent, stable bodies of liquid water on its surface. Mercury can be anything from 200c below freezing to 375c above. The temperature on earth does not go from one extreme to the other either. With that name comes the rightful image of a world with plentiful water. Jun 17, 2009 earth is unique among the planets of the solar system because it has liquid water at the surface. Nov 22, 2018 earth is the only planet known to maintain life. And earth is the only planet where water is present in all three states. Mar 06, 2020 earth is currently the only known planet with water on the surface.
Earth s water introduces students to the many forms of earth s water and emphasizes the importance of caring for this valuable resource. The temperature, along with an ample amount of atmospheric pressure within this zone, allows water to be liquid for long periods of time. Because of the ranges in temperature in specific locations around the planet, all three phases may be present in a single location or in a region. The water is too hot for animals to swim in or drink. Earth day 1970 gave a voice to an emerging public consciousness about the state. Humans have 30 years to stave off climate catastrophe. An extraterrestrial oceans depth would be so deep and. Water is fairly common in the universe, found everywhere from vast interstellar dust clouds to the orangered fields of mars, but most of this water. Earth and space scientists are dedicated to studying our solar system, from the moon of the distant dwarf planet pluto to the very bottom of our oceans, not only to understand these things better but also to protect our planet and us. Its the only planet in our solar system we know of that supports life. Earth facts surface, atmosphere, satellites, history. Earth sits at an ideal distance from the sunif it were any closer, it would be so hot that water would boil away. One of nasa s guiding policies in the search for alien life is to follow the water. Earth, the third planet from the sun, is the only planet with large amounts of liquid water, and the only planet known to support life.
It is designed to be a gentle approach to homeschool science education based on the unit study method suggested in success in. Lonely planet kids the big earth book takes children on a rollercoaster ride through history, geography, science and more to show how four elements earth, fire, air and water created the world and everything that exists today in. The surface of earth is about 71% covered with water, this has given the earth the names such as blue marble and blue planet. The history of earth day earth day earth day network. Earth is the only planet in the solar system not named after a mythological being. Earth is the third planet from the sun and largest of the terrestrial planets. Lapbooking through planet earth 4 introduction lapbooking through planet earth is a unique and versatile program that leads you through a survey of our planet, earth, using a lapbook to document the journey. It is just the right distance away from our sun to allow just the right amount of air, water and heat to support life. It is not so close that our water all boils away and it is also not so far away that it all freezes over.
Water it has played a crucial role in the emergence of life on our planet. It is a subject of wide interest because it is recognized as one of the key prerequisites for life as we know it and thus surmised as essential for extraterrestrial life. A small amount of water exists on a few of the other planets in either gaseous or frozen form, but only the earth has abundant liquid water. The story of water on earth by rochelle strauss and illustrated by rosemary woods is a picture book that contains many details about the way that the water cycle on earth works. Find out the origins of our home planet and some of the key ingredients that help make this blue speck in space a unique global ecosystem. The presence of water on the surface of earth is a product of its atmospheric pressure and a stable orbit in the sun s circumstellar habitable zone. Earth is considered to be in area known as the goldilocks zone around our sun. Explain why earth is often called the water planet and why it might be more accurate to call it the saltwater planet. Exploring science, history, geography, and the environment, the big earth book will take you on a whirlwind tour of the past, present, and future. The history of earth every year on april 22, earth day marks the anniversary of the birth of the modern environmental movement in 1970. You can learn more about the planets in the our solar system chapter. In our solar system, earth orbits around the sun in an area called the habitable zone. This, in conjunction with the fact that water is vital for life on earth, but especially for its dominant species, ha. Water on earth earth science simple book production.
Watch the video to discover the answer and dont forget to vote for next weeks question. This is because almost 70 percent of earth s surface is covered with water. As we prepare to mark 50 years of earth day in 2020, lets take a look at the last halfcentury of mobilization for action. Just slightly larger than nearby venus, earth is the biggest of the four planets closest to the sun, all of which are made of rock and metal. Earth facts for kids interesting facts about planet earth. From space, earth looks like a blue marble with white swirls. What makes earth special compared to other planets space. The earth is the only planet inside our suns habitable zone but there are exoplanets within the habitable zones of their respective stars. Dec 27, 2017 the surface of earth is about 71% covered with water, this has given the earth the names such as blue marble and blue planet. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog. Planet earth in a nutshell arvindguptatoys books gallery. Yet, if the earth were closer to the sun, the water would have vaporized. No longer is he major alexander khan of the galacticarmranging internal movement control.
Early earth was covered in a global ocean and had no. It has two things that are vital for living creatures. Apr 30, 2020 earths atmosphere is the right thickness to keep the planet warm so living things like us can be there. I love this book because it is the perfect example of how to treat the earth. Earth appears to be the only planet in the solar system with living creatures. The book can also be used to make connections to prior knowledge and to identify main. Earth day books for little learners pocket of preschool. Five mustread books about earth science smithsonian magazine. Since travelling to the stars takes much distance, it is almost impossible to ever reach there. An ocean world, ocean planet, water world, aquaplanet or panthalassic planet is a type of terrestrial planet that contains a substantial amount of water either at its surface or subsurface.
Europa has been the biggest contender for life for years now, with a craggy icy. Most people have heard earth referred to as the water planet. Earth is not the only planet known to have conditions favorable to life. The four inner planets, or terrestrial planets, have solid, rocky surfaces.
The third planet from the sun, earth is the only planet in the universe known to support life. Full text of the only planet of choice internet archive. Earth is the only planet with liquid water and therefore the only planet that can support life. The earth is the only planet in our solar system not to be named after a greek or roman deity. The earth has an ocean that covers almost 70% of the surface of the planet. Surprisingly, while it is only the fifth largest planet in terms of size and mass, it is the densest 5,5 kgm 3 of all the planets. Considering just at the scale of the solar system, earth isas we know so farthe only planet to harbor life. The earth is the only planet with huge bodies of water 70% of its surface area consists of oceans, lakes, and seas surrounding huge bodies of land. In photographs taken from space, we can see that our planet has more water than land. But just how much water exists on, in, and above our planet. Water it has played a crucial role in the emergence of life on. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers. Water dihydrogen oxide, h2o is a truly remarkable chemical compound and is fundamental to life on earth. Earth is the third planet from the sun and is the largest of the terrestrial planets.
The history of the earth is like a book with its first chapter ripped out. Apr 14, 2018 what if the earth was covered in water. Many details as to why earth is the only planet with liquid water in our solar system need to be worked out, said diana valencia, a graduate student in earth and planetary sciences at harvard. But its filled with colorful, heatloving germs called bacteria. About 71 percent of the earth s surface is water covered, and the oceans hold about 96. It is printed on recycled paper with only the use of nontoxic inks. Currently, earth is the only known planet or moon to have consistent, stable bodies of liquid water on its surface. Nasa has a unique vantage point for observing the beauty and wonder of earth and for making sense of it. Earths atmosphere is the right thickness to keep the planet warm so living things like us can be there. It is mostly nitrogen, and it has plenty of oxygen for us to breathe. However, of all the water on earth, more than 99 percent of earths water is unusable by humans and many other living things only about 0. The term ocean world is also used sometimes for astronomical bodies with an ocean composed of a different fluid, such as lava the case of io, ammonia in a eutectic mixture with water, as. May 08, 2017 early earth was covered in a global ocean and had no mountains. With a radius of 3,959 miles, earth is the fifth largest planet in our solar system, and its the only one known for sure to have liquid water on its surface.
1036 211 811 592 663 801 214 1378 1203 140 828 611 218 112 1267 984 1548 93 551 73 882 998 1578 81 1584 1394 1053 1489 682 332 87 415 608 412 741 259 949