FORCES AND MOVEMENT

Multiple Choice

WHAT CAN FORCE DO TO OBJECTS?

• CHANGE THEIR COLOR

• TURN THEM INTO LIQUID

• MAKE THEM INVISIBLE

• MAKE THEM MOVE OR STOP

Multiple Choice

WHEN DOES FRICTION DO TO THE MOVEMENT OF AN OBJETCT?

• SPEEDS IT UP

• STOPS IT COMPLETELY

• MAKES IT FLOAT

• PRODUCES RESISTANCE AND SLOWS IT DOWN

Multiple Choice

What is a force?

• A KIND OF COLO

• A TYPE OF SOUND

• A MOVEMENTE OF PUSH OR PULL APPLIED ON AN OBJECT

• A TEMPERATURE CHANGE

• A TYPE OF FRICTION

Multiple Choice

WHEN A ROUND OBJECTO MOVES OVER A SOLID SUFACE....

• IT IS ROLLING FRICTION

• IT IS SLIDING FRICTION

• IT IS AIR FRICTION

• IT IS FLUIED FRICTION

Multiple Choice

HOW DOES A BOAT´S DENSITY AFFECT ITS BUOYANCY?

• IF THE BOAT´S IS MORE THAN WATER, IT FLOATS

• IF THE BOAT´S DENSITY IS LESS THAN WATER, IT SINKS

• IF THE BOAT´S DENSITY IS LESS THAN WATER, IT FLOATS

• DENSITY HAS NO EFFECT ON BUOYANCY

Multiple Choice

WHAT IS THRUST FORCE?

• A FORCE THAT SLOWS DOWN AN OBJECT

• A FORCE THAT KEEPS AN OBJECT MOVING

• A FORCE THAT CHANGES AN OBJECT´S COLOR

• A FORCE THAT MAKES OBJECTS INVISIBLE

Multiple Choice

WHAT IS THE ROLE OF GRAVITY IN FLOATING OBJECTS LIKE BOATS?

• IT IS NOT IVOLVED

• IT PULLS THE BOAT DOWNWARD

• IT PUSHES THE BOAT UPWARD

• IT CHANGES THE WATER DENSITY

Multiple Select

CHECK THE CONTAC FORCE

• MAGNETIC FORCE

• AIR FRICTION

• GRAVITY

• PUSH AND PULL

• FLUID CONTACT

Multiple Choice

WHAT IS UPTHRUST?

• A FORCE THAT PULLS OBJECTS DOWN

• A SIDEWAYS FORCE

• AN UPWARD FORCE BASED ON THE ARCHIMEDES PRINCIPLE

• A TYPE OF FRICTION