EMERALD-SCIENCE 6 Q3 SUMMATIVE TEST NO. 5

Your circle of friends went to the park with unlimited rides. If you were told to tell an experience with wheel and axle, what would you tell?

• A. a rode in a Ferris wheel        

•           B. an unforgettable slide            

•           C an experienced with seesa

• D. a swayed with Viking

A crumpled and an uncrumpled paper were dropped at the same height and time. Which paper will reach the ground first?

• A. The crumpled paper because it has a smaller surface area.

• B. The uncrumpled paper because it has a bigger surface area.

• C. Crumpled paper because it is heavier compared to uncrumpled paper.

• D. None, because both the crumpled and uncrumpled paper have same masses.

. Children have fun playing roller skates. What kind of simple machine is a roller skate

• A. screw      

• B. wheel and axle

• C. wedge

• D. lever

A wheelchair is one of the important devices present in most hospitals. Which one is the use of wheelchair?

• A. can transport the patient from one place to another in an easy way

• B. can stop the moving objects in a rough surfaces

• C. can travel things in a long period of time

• D. can lift the patient over the hospital bed

Father is trying to open the doorknob. Which type of simple machine is a doorknob?

• A. has discs and a rod

• B. has a thread and pitch

•           C. has a rigid bar and a fulcrum

• D. has a sharp object at the end

You went on a vacation in the province, they are using well as a source water.  What will you use to get a bucket of water from a well?

•  A. block and tackle pulley 

• B. movable pulley             

• C. fixed pulley

• D. portable pulley

Your family went on a family trip, you rode a zipline as part of your family activities. In what kind of pulley does a zipline belong to?

• A. fixed pulley         

• B. portable pulley    

• C. movable pulley

• D. block and tackle pulley

During the flag ceremony, the teacher uses a pulley to raise the flag. Which one describes the uses of pulley?

• A. Use to lift objects by transmitting energy and motion.

• B. Used as an aid for raising or lowering a load.

• C. Use to secure an object in place.

•                      D. Used to cut and hold objects.

A man closed the bottle of jam using a lid cover which belong to screw family. Why did he use a lid cover?

• A. To make the bottle and cover in place and intact.

• B. To make the bottle and cover look more beautiful.

•           C. To make the jam and cover always in contact.

• D. To make the jam more delicious.

. Based on the picture below, what is the distinct characteristic of a pulley?

• A. has a sharp blade

• B. has a rim and rope

•           C. has a bar and fulcrum

• D. has a thread, pitch and shaft