List of Words for Letter ‘S’
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screw A simple machine made up of an inclined plane wrapped into a spiral.
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season One of four parts of a year that have different weather patterns.
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sediment Tiny bits of weathered rock or once-living animals and plants.
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sedimentary rock A kind of rock that forms from layers of sediment.
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seed A structure that can grow into a new plant.
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shadow A dark area that forms when light is blocked.
A rake is a simple machine.
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shelter A place in which an animal can stay safe.
A nest is a shelter for young birds.
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simple machine A machine with few or no moving parts.
A lever is a simple machine.
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soil A mixture of minerals, weathered rocks, and decayed plant and animal matter.
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solar energy Energy from the Sun.
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solar system A system made up of a star and the objects that move around it.
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solid Matter that has a definite shape and volume.
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solution A mixture in which one or more kinds of matter are mixed evenly in another kind of matter.
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sound A form of energy that you hear when an object vibrates.
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space probe A machine that leaves Earth and travels through space.
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speed How fast an object moves over a certain distance.
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sphere A body that has the shape of a ball.
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star A ball of hot, glowing gases.
Our Sun is a star
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state of matter A form of matter, such as solid, liquid, and gas.
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static electricity The build up of an electrical charge on a material.
Static electricity can cause you to get a shock from touching a doorknob
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stem A plant structure that holds a plant up and helps leaves reach sunlight.
Static electricity can cause you to get a shock from touching a doorknob
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structure A part of an organism.
Horns are structures that help wild sheep keep safe
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switch A device that allows you to control the flow of electric current through a circuit.