FLASHCARDS FORCE AND MOVEMENT

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Flashcards about force and movement designed for 5º grade
Jorge Andrés Luna Suquilanda
Flashcards by Jorge Andrés Luna Suquilanda, updated more than 1 year ago
Jorge Andrés Luna Suquilanda
Created by Jorge Andrés Luna Suquilanda over 3 years ago
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Resource summary

Question Answer
FORCE Strength or energy as an attribute of physical action or movement.
MOVEMENT The action or process of moving especially. For example: when you go from place to place and accomplish different tasks.
FRICTION Is a force between two surfaces that slows down moving objects. Friction happens when two things rub against each other. For example: a football and the ground.
SPEED Speed tells us how fast something moves. To calculate speed, we divide the distance by the time it takes to travel this distance.
SIMPLE MACHINES Machines that modify the action of forces. For example: the wheel, the pulley, the lever or the inclined plane.
MOTOR / ENGINE This component produces movement. Motors run on electrical energy. Engines run on chemical nergy from fuel.
GRAVITY Is the force which attracts all bodies towards the Earth's surface.
GEARS These are wheels with teeth. They help to produce movement inside machines.
CRANKS These are levels that turn in circles. They are used in some manual machines to start movement.
DOME STRUCTURES A dome is created from multiple arches or vaults, which are connected in a symmetrical manner to form a sound structural entity. Domes are usually circular.
THERMOSTATS These allow us to regulate the temperature in our homes and to avoid wasting energy.
APPLIANCES Refrigerators, washing machines, dishwashers or vacuum cleaners reduce the time and energy we spend on daily tasks.
FIRST-CLASS LEVERS The fulcrum is between the load and the energy moving the force. Crowbars, pliers and scissors are examples of first-class levers.
SECOND-CLASS LEVERS The fulcrum is at one end and the load is between the fulcrum and the force. Guillotines, wheelbarrows and nutcrackers are examples of second-class levers.
THIRD-CLASS LEVERS The force is applied between the fulcrum and the load. Your arm and some types of cranes are examples of third-class levers. In your arm, the fulcrum is your elbow. The force is applied by your muscle.
WHEEL The wheel is a simple machine, but it can be used as a component of complex machines. It consists of a round part which turns on an axle.
AIR RESISTANCE Friction happens when two objects rub against each other, for example, a moving ball and the ground. when an object moves against a gas, we call it resistance.
WATER RESISTANCE Friction happens when two objects rub against each other, for example, a moving ball and the ground. when an object moves against a liquid or a gas, we call it resistance.
COMPLEX MACHINES Is a machine made up of two or more simple machines that make your work easier to do.
ELECTRICAL CIRCUITS These carry electricity to the motor and other parts. circuits can only work when they are connected to mains or when they have batteries.
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