SIMPLE MACHINE GRADE 6

1. What simple machine is being shown in the picture?

• A. LEVER

• B. WEDGE

• C. SCREW

• D. PULLEY

 2. What kind of a simple machine is a screw?

A. lever                      B. pulley                    C. inclined plane      D. wheel and axle

• LEVER

• PULLEY

• INCLINED PLANE

• WHEEL AND AXLE

3. Soda bottle lids, end of light bulbs, water faucets and hoses, bottle caps are examples of _______.

A. lever                      B. pulley                    C. screw                     D. wheel and axle

• LEVER

• PULLEY

• SCREW

• WHEEL AND AXLE

4. How to use a screw?

A. To lift heavy objects.

B. To hold things together.

C. To drill holes on objects.

D. All of the above.

• TO LIFT HEAVY OBJECTS

• aTO HOLD THINGS TOGETHER

• TO DRILL HOLES ON OBJECTS

• ALL OF THE ABOVE

5. What simple machine is being used here?

 

• lever

• screw

• pulley

• wedge

Is another simple machine, which consists of an inclined plane wrapped around a cylinder.

• Wedge

• Lever

• Pulley

• Screw

What type of simple machine has a wheel and a rod that goes through the middle and is used to move loads.

• WHEEL AND AXLE

• PULLEY

• LEVER

• RAMP

Which is not a type of simple machine?

• spring
• screw
• pulley
• wedge

A wheel and axle is a simple machine that reduced the force of _____ to make pushing and pulling easier.

• GRAVITY

• FRICTION

• HEAT

• RAMP

Why do we not just remove the wheel and turn the axle?

• WITHOUT THE WHEEL, THE AXLE IS USELESS

• TURNING THE AXLE DIRECTLY REQUIRES TOO MUCH EFFORT

• THE AXLE CANNOT TURN ON ITS OWN

• THE WHEEL BALANCES THE AXLE