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Text card
A seesaw is an example of a lever.
machine example
A lever turns around a fixed point called a fulcrum.
Example: Levers help lift or move loads.
Grade 5
Simple machines and work
Learn how tools such as levers, pulleys, wheels, and inclined planes make work easier.
Category: World Around Us
11 min
Advanced
Simple machines do not remove work completely, but they help change force or direction so tasks can feel easier or safer.
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Open one card at a time, read the text together, and use the audio button when hearing the line once helps.
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Text card
A ramp is an inclined plane that helps move objects upward more gradually.
machine example
The slope reduces how hard the lift feels.
Example: Inclined planes make lifting easier over distance.
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Text card
A pulley can help lift a bucket from a well by changing the direction of the pull.
machine example
The rope moves in a helpful direction around the wheel.
Example: Pulleys can make lifting more manageable.
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Text card
Science habit: When you study a tool, ask what force is being changed and how that helps the task.
thinking step
Understanding function matters more than memorizing names alone.
Example: Simple machines help by changing force or direction.
More in this topic
These next steps stay in the same stage so the child does not get sent backward.
Matter and change
Observe how materials can change by heating, cooling, mixing, or dissolving, and notice which changes can reverse.
Body systems and healthy choices
Connect digestion, breathing, movement, and circulation to everyday habits that support health.
Ecosystems, food webs, and balance
Understand how plants, animals, and decomposers depend on one another inside an ecosystem.