Science · Topic 87 of 124
Lubricants
⭐ MasteredA lubricant is a substance, like oil or grease, that reduces friction between surfaces that move against each other. Lubricants help machines work smoothly and last longer.
💡 Fun fact
Snails produce a slimy mucus that acts as a natural lubricant to help them move.
All about Lubricants
A lubricant is a substance, such as oil or grease, that reduces friction between surfaces that move against each other. Lubricants help machines work smoothly and last longer. They also stop parts from overheating.
Bicycle chains, car engines and door hinges all need lubricants. Snails produce slime that acts as a natural lubricant, which helps them glide smoothly across surfaces.
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