Henry Cavendish
Description: Henry Cavendish was the first scientist to test gravity in the laboratory. Thanks to the "Cavendish Experiment," we know how much Earth weighs!
Category: Janet's Planet
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Game Spotlight
Practice comparing two numbers between 1 and 10 in this fun online math game. The alligators are hungry! They have a huge appetite and always want to eat the bigger number. Practice saying if one number is less than, greater than, or equal to another number. Numbers are between 0 and 10.