Main Ideas

Do you like video games? Videos games are a favorite pastime for many kids today, but have changed a lot over time. The first recorded video game, "Noughts and Crosses" was invented in 1952. In 1975, the first home game console "Atari" was created. This allowed people to play video games for the first time from their own home. The "Nintendo" was developed in 1986 and had more graphics and sound effects. Video games continued to improve when the "Playstation 2" used DVD technology. Even though video games have changed over the years, one thing that has not changed is the enjoyment they bring to people who play them.

• The first video game was not played at home.

• Some video games have more graphics and sound effects.

• Video games have changed throughout history.

• People like to play video games at home.

The sun is a star made of burning gas found at the center of our solar system. It is the largest object in the solar system. About one million Earth's could fit inside the sun and the distance around it, or diameter is 110 times wider than Earth's. No life could survive on the Earth without the sun. It would be a frozen wasteland without any seasons, or ability to grow food. The gravity of the sun keeps the Earth from spinning off into space. The Sun is amazing and extremely important to our planet.

• The sun's gravity keeps Earth from spinning away.

• The sun is super important to Earth.

• The sun is the largest object in the solar system.

• The sun is made of burning gas.

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The cheetah is the fastest animal in the world. They can run up to 70 miles per hour, which is as fast as a car traveling on the highway. The cheetah can reach it's top speed in just 3 seconds. When it is running, its stride or the length between steps, is 21 feet. Cheetahs' feet only touch the ground twice during each stride. The cheetah is know for its astonishing speed!

• The Cheetah's feet do not touch the ground often when running.

• Cheetahs can run 70 miles per hour.

• It only takes 3 seconds for Cheetahs to reach their top speed.

• Cheetahs are the fastest land animals.

Albert Einstein is the best known scientist of the twentieth century. His ideas gave people a new understanding of time, space, gravity, and the nature of light. His ideas have helped us know more about molecules and the movement of planets in space.

• Albert Einstein's ideas helped in the study of molecules.

• Albert Einstein is the best known scientist of the twentieth century.

• Albert Einstein helped people understand gravity.

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Saturn is the sixth planet in our solar system and is the second largest planet. Saturn has many thin, flat rings around it. The rings are made up of snow, ice, and cosmic dust. It takes Saturn about 29 1/2 Earth years to orbit the sun. There are many interesting facts about Saturn.

• There are many interesting facts about Saturn.

• Saturn is the sixth planet in our solar system.

• Saturn has many thin rings around it.

• Saturn orbits the sun eveyr 29 1/2 years.

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