2021 GRADE SCIENCE Quiz Bee (ELIMINATION ROUND)

1.If you are to push a cart, a box, and a bicycle to a certain distance from the starting line, which of the following will require you to exert more force?

• cart

• box

• bicycle

• all of these

When force is applied to an object , the size of an object may______

• change

• become bigger

• change its movement

• break

. Clark accidentally stepped on a circular modelling clay on the floor. It has become rectangular after. What effect of force is shown here?

• no change at all

• both change in shape and size

• change in shape

• change in size

Which among the following object will require lesser force to move?

• refrigerator

• monoblock chair

• television

• steel sofa bed

The following situation are the effects of force applied in changing the size , except one. What is it?

• cutting an apple

• cutting an apple

• kicking a ball

• Pulling a carter

Suppose you push a door, and your friend is on the other side pushing the door. How will you describe the force and the effect of your actions to the doors?

• The force is balanced, and the door does not move.

• The force is unbalanced, and the door may break.

• The door will push your friend away from you.

• The door will push you both.

A marble that is standing still will move when_____.

• bumped another marble

• there is a strong wind

• touch by a person

• a force is applied on the marble

What would happen if you started the engine of a car?

• change its motion

• change its position

• change its direction

• change its color

Which of the following has a change in movement?

• tearing a piece of paper

• tearing a bond paper

• kicking a stone

• calling in a phone

When the same poles of two magnets, whether North or South, are close to each other, they______.

• push each other

• pull each other

• repel each other

• do not move