3rd Standardized Quarterly Exam in Science VI

Which prevents your shoes from slipping on the pavement and acts to grip on the ground when walking?

• force

• friction

• motion

• speed

The gravitational force on Earth is equal to the force the Earth exerts on you. Where is the gravitational force directed as you stand on the floor?

• backward

• downward

• forward

• upward

What causes the ball you throw up in the air to fall again?

• force

• friction

• gravity

• motion

There are different forces acting on the object above. In which direction will the object move?

• downward

• upward

• to the left

• to the right

A tennis ball and a feather are dropped simultaneously from the same height. What will happen if there is no air resistance?

• The tennis ball will land first.

• The feather will float slowly through the air.

• The tennis ball will float slowly through the air.

• The tennis ball and the feather will land at the same time.

Mario delivered boxes of donations to Agusan del Sur Pilot Laboratory School. Which of the following boxes would need his greatest force?

• 50 kg

• 60 kg

• 80 kg

• 120 kg

Jack is playing with a toy push car. On which surface would his toy push car travel the fastest?

• carpet

• sand

• tiled floor

• sandpaper

All the materials below can reduce friction EXCEPT:

• bearings

• lubricants

• sand

• wax

When you hold a glass, you keep it from falling using the friction between your hand and the glass. How does friction prevent the glass from falling?

• Your fingers and the glass stick together.

• The friction of the glass and the fingers pulled one another.

• The friction acts upward, opposing the downward pull of gravity.

• The friction acts downwards, opposing the upward pull of gravity.

Jake is walking on a sloping road wearing his new spikey shoes on his way home. He felt at ease while walking because his shoes helped him walk easily. Which of the following statements best explain this event? The rougher the surface of the objects, the _________________.

• lesser is the friction

• the same level of friction

• the greater is the friction

• the limited is the friction