List of Words for Letter ‘R’

Click on to hear the word and definition

recycle To turn old things into new things.
Plastic can be recycled to make new bottles and other products.
reduce To use less of something.
When you fix a leaky faucet, you reduce your use of water.
reflect To bounce off a surface.
Light reflects off a mirror.
refract To bend.
Light refracts as it moves from the air to the water.
renewable resource A resource that can be replaced or used again and again.
Wind is a renewable resource.
reproduce To make more of one’s own kind.
reptile A vertebrate that has scaly, waterproof skin, breathes air with lungs, and lays eggs.
resource Substances in the environment that help an organism survive.
Flowers are a resource for butterflies.
respond To react to something.
When the weather gets cool in the fall, this tree responds by losing its leaves.
reuse To use something again.
Old bottles were reused to make this building.
revolve To move around another object.
Earth revolves around the Sun.
rock A nonliving material made of one or more minerals.
root A plant structure that takes in water and nutrients and holds a plant in place.
rotate To turn or spin.
Earth rotates like a giant top in space