Return to Book List Grade 1     Glossary   Choose a Letter | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | List of words for Letter 'R' Click on    to hear the word and definition. Click on the picture to see a bigger picture. Some are animations. rain forest a habitat that gets rain almost every day  A rain forest can get more than six feet of rain each year. ramp a simple machine with a slanted surface  A ramp makes it easier to move from place to place. recycle to turn old things into new things  You can recycle old paper to make new paper. reduce to use less of something  The girl reduces the use of paper towels. reflects when light bounces off an object  A mirror reflects light. refraction when something bends light  Refraction can make something look bigger. repel to push away  These magnets repel each other. reptiles animals with dry skin that is covered with scales  A turtle is a reptile. reuse to use something again  The milk carton is being reused as a bird feeder. rocks nonliving things from Earth  These rocks are different. Leave Glossary