Primary General Science Glossary

This is a general primary science glossary. For class specific glossaries please go to the specific subjects


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P

Photosynthesis

Photosynthesis is the process plants use to make food from sunlight; it also requires carbon dioxide (from the air), and water (from the soil).

Pitch

Pitch is the quality of a sound. Depending on how fast or slowly something vibrates a sound's pitch with be high or low.

Planet

A planet is a celestial object that orbits a star like our solar system's Sun.

Pole

A magnet's north pole is the end of the magnet attracted to the Earth's North magnetic pole; a magnet's south pole is the end of the magnet attracted to the Earth's South magnetic pole. 

Precipitation

Precipitation is rain, sleet, hail and snow, the water droplets which fall from the sky. 

Producer

Within a food chain, a producer (usually a green plant) passes energy on to a consumer (an animal who eats the plant) through carbohydrates and proteins.