Questions with the keyword 'particles'

• what is the gap between particles in the air called. by anon-177559 to Andrew, Becky, Daniel, Helen, Nicola, Urslaan Comments: (No comments so far )
• If heat is just the proximity and interaction of particles, why can a lack of heat or too much heat be harmful to us? by anon-177347 to Urslaan, Nicola, Helen, Becky, Andrew Comments: (No comments so far )