Energy and Simple Machines Quiz by Teacher Pierre

According to the Law of Conservation of Energy, energy cannot be _________ or ____________.

I. found II. destroyed III. created IV. saved

• A. I & II

• B. II & III

• C. I & IV

• D. I & III

This type of machine has only one simple machine.

• A.  fixed machine

• B.  simple machine

• C. Compound machine

• D. Washing machine

Which is the correct way of handling simple machine?

• A. When carrying sharp and pointed tools, position the pointed edge upward.

• B. When carrying sharp and pointed tools, position the pointed edge sideward.

• C. When carrying sharp and pointed tools, position the pointed edge downward.

• D. When carrying sharp and pointed tools, position the pointed edge to your stomach.

What is energy changing from one form to another?

• A. Energy conservation

• B. Energy creation

• C. Energy transformation

• D. Mechanical energy

When you eat pizza, Chemical Energy is transferred to _____ Energy.

• A. chemical

• B. solar

• C. mechanical

• D. electrical

What energy is given off when a cell phone rings?

• A. Sound Energy

• B. Electrical Energy

• C. Thermal Energy

• D. Nuclear Energy

How can simple machines make work easier?

• A. by increasing the friction between the machine and the object

• B. by decreasing the force needed to complete the task

• C. by adding more work on the object than originally applied

• D. by removing the force of gravity on the object.

Making a Fruit Smoothie is YUMMY! Plug a Blender into the wall outlet, and you're ready to go. Which choice below BEST shows the energy transformation of making a smoothie?

• A. electrical kinetic

• B. electrical chemical

• C. mechanical sound

• D. kinetic thermal

Who among the four children demonstrates the proper way of handling simple machines?

• A. After using simple machines like scissors, cutter, and knife, Lito leaves those on stairways.

• B. Perla plays with her friends in a place where heavy loads are being lifted by pulley.

• C. Tonyo always sure that any tools are in good condition before using it.

• D. Maria did not return the pliers, screw drivers and wires after using it on her project.

Workers push a heavy box up an inclined plane and onto a moving truck. Which best explains why these workers use an inclined plane?

I. It makes their work easier because it requires less effort

II. It decreases the amount of work they must do.

III. It increases the amount of friction necessary to do the task.

IV. It makes the box weigh less.

• A. I & III

• B. II & IV

• C. I & II

• D. III & IV