Develop and improve products. List of Partners vendors. Share Flipboard Email. By Anne Marie Helmenstine, Ph. Anne Marie Helmenstine, Ph. Helmenstine holds a Ph. She has taught science courses at the high school, college, and graduate levels. Learn about our Editorial Process. Earth is located in a galaxy we call the Milky Way. The Milky Way is shaped like:.
Sharks and rays are different from other fish in that they:. Gunpowder is made from:. About Pew Research Center Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.
Newsletters Donate My Account. Research Topics. Home Research Topics. How much do you know about science topics? Oil, natural gas and coal are examples of … Biofuels Renewable resources Geothermal resources Fossil fuels. A scientist is conducting a study to determine how well a new medication treats ear infections. We have created a variety of free online math games for kids who enjoy playing on the computer.
We have flashcard games, timed practice games for basic math facts, Grid addition games, and more. Home Spelling Words Spelling Stars.
Grid Addition Game 1 to 5. Grid Addition Game 6 to Clouds are made of water. When a cloud gets too full of water, it rains. X The correct answer is water! What does a carnivore eat? Carnivores are animals that eat mostly meat. X The correct answer is meat!
Which of the following travels the fastest? Light travels at about ,, miles per hour! X The correct answer is light! What do you call a scientist that studies the stars?
Astronomers also study planets and other celestial bodies. X The correct answer is an Astronomer! The Equator divides the Earth exactly in half! The top half is called the Northern Hemisphere and the bottom half is called the Southern Hemisphere. X The correct answer is the equator! What is the name of the organ in our bodies that pumps blood?
The heart pumps blood around our bodies for us. X The correct answer is the heart! What is the name of the gas in the air that keeps us alive? The oxygen in air is absorbed in our lungs and keeps us alive. The air we breathe contains lots of different gases such as nitrogen. X The correct answer is Oxygen! What happens if you melt a solid such as ice? When you melt ice, it changes from a solid into a liquid. If you put an ice cube on the sink, it will slowly change from a solid little block of ice into a puddle of water as it melts.
X The correct answer is it changes from a solid into a liquid. Which of these living things does NOT have a backbone? Animals without backbones are called invertebrates. X The correct answer is an Earthworm.
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