6th Science Review

It is used to move heavy loads. It is used to lift objects.

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NGSS.MS-PS2-2

Consists of two or more simple machines put together.

two kinds of curved mirrors

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NGSS.MS-PS4-2

It consist of a wheel with a grooved rim in which a rope is pulled to change the direction of force.

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NGSS.MS-ETS1-2

Is composed of spiral inclined planes

Reduce the effort required to move a load by increasing the distance.

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NGSS.MS-PS2-1

It is used to raise or lower heavy objects

Is a device that helps make work easier to perform.

Consists of a flat surface tilted at an angle so one is higher than the other.

It is two inclined planes put back to back