Simple Machines

Gary was building a go-cart. Each time he worked on the go-cart he recorded the date, and made drawings of his work in his journal. Which simple machine did Gary add to his go-cart on September 5th?

• rope & pulley
• lever & fulcrum
• breaks & a horn
• wheel & axle 

Josh is pushing wood in a wheelbarrow. What 3 simple machines are in use?

• inclined plane, screw, pulley
• inclined plane, lever, wheel and axle 
• inclined plane, screw, wheel and axle
• inclined plane, wheel and axle, pulley

What type of simple machine is at the bottom of a light bulb?

• lever
• wheel
• wedge
• screw

Which complex machine could be made by combining a wheel and axle and a lever?

• wheelbarrow
• axe
• shovel
• scissors

What are the simple machine parts in a toaster?

• heating coils and lever
• heating coils and wheel
• heating coils and lid
• heating coils and chain

What are the simple machine parts in a bicycle?

• wheel, blade, chain
• chain and pedals
• lever, chain, pedals
• chain, pedals, wheel 

What are the simple machine parts in a blender?

• wheel, blade, chain
• blade, lid
• lid and chain
• wheel and lid

What two simple machines make up scissors?

• wheel and axle
• lever and wedge
• wedge and inclined plans
• inclined plane and lever

There have been many types of bicycles over the years. Which bicycle do you think will take less force to ride? 

• the one with the smallest wheels
• the one with the hardest seat
• the one with the largest wheels
• there is no difference

Mr. Smith uses a ramp to load a heavy box onto the back of his truck. By using the ramp, instead of just lifting the box, Mr. Smith ____________.

• needs to do less force
• does less work
• has a harder job to do
• does more work