Science Quiz #66
Science and Nature Quiz for 21 April 2010
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
1
What is a device that allows electric current to pass through it in one direction only, used for converting AC to DC?
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2
What product of photosynthesis, a carbohydrate occurring in the cells of plants, can be changed into glucose or dextrine?
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3
What is the name for the 225 million years that it takes the sun to go around the galaxy?
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4
What name is given to the product of mass and velocity?
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5
Which of these animals is known for making a laughing sound?
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6
What is the term for the greenish oxide formed on copper?
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7
What is the name for the use of X Rays in medicine?
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