science

What will you do to make an object move?

 

• Pull or push the object

• Crush or crumple the object

• Sit beside the object until it moves

• Look at the object and walk around it

What kind of objects can a magnet attract?

•    All objects

•    Only other magnets

•    Only objects made of iron

•     Metallic objects

  What does this picture show about magnets?

 

• Magnets must touch objects to attract them

• Magnets must touch objects to repel them

• Magnets can attract objects even without touching them

• Magnets can only attract objects made of iron

   Which word describes what happens when two magnets pull each other?

 

•     Repulsion

•    Attraction

•     Motion

•    Magnetic levitation

Which are nonmagnetic materials?

•    Nails and staple wires

•    Iron rods and steel clips

•    Copper wires and iron filings

• Rubber bands and wood chips

   Which of these forces is a pull?

•    Hitting a ball

•     Closing a drawer

•   Lifting a bag

• Typing on a keyboard

A boy catches a ball with his hand. What puts force on the ball?

 

• The wind

•    The ball itself

•   The boy’s hand

• The boy’s feet

    In what direction does your body move when the bus you are riding suddenly stops?

•   Forward

•     Backward

•    Back and forth

•    Sideways

   What can a force do?

• Move an object

•    Stop an object

•   Change the direction of an object

• Move, stop, or change the direction of an object

  Which words describe how a force can change an object’s position?

•   Push or pull

   

•    Short or long

•    Left or right

•    Fast or slow