What is a Simple Machine — Passage
Grades
4
5
Standards
RI.4.2
RI.4.3
RI.4.4
RI.5.1
RI.5.3
RI.5.4
PRINT+DIGITAL RESOURCE
This learning resource is available in interactive and printable formats. The interactive worksshet can be played online and assigned to students. The Printable PDF version can be downloaded and printed for completion by hand.
ABOUT THIS READER
Discover the power of simple machines! This informational text explores how basic tools like levers, pulleys and inclined planes have changed the way humans work. Questions test comprehension of key details and main ideas.
Publisher: Workybooks
|
Written by:Neha Goel Tripathi
|
Illustrated by:
A machine is a tool that makes work easier. Simple machines change the direction or amount of force needed to do work. Six types of simple machines are the wedge, wheel and axle, lever, inclined plane, screw and pulley. Wedges concentrate force on a small point to split or lift objects. Wheels with attached axles reduce friction to roll heavy loads more easily. Levers use a fixed point called a fulcrum to change direction and speed up movement. Inclined planes require less effort to slowly raise objects to different heights. Screws are inclined planes wrapped around structures to hold objects together or lift materials up. Pulleys use ropes and wheels to reduce the amount of force needed by distributing weight. Understanding these simple machines helps explain how many complex modern tools and vehicles work.
What is the main idea of the passage?
Simple machines make work easierWheels reduce frictionWedges concentrate forcePulleys distribute weightWhat does a simple machine change about force?
SoundTextureSmellDirection or amountWhich simple machine uses a fixed fulcrum point?
LeverWedgeInclined planePulleyWhy are wheels and axles considered simple machines?
They have complex partsThey require few toolsThey reduce frictionThey use pulleysCommon core standards covered
RI.4.2
Determine the main idea of a text and explain how it is supported by key details; summarize the text.
RI.4.3
Explain events, procedures, ideas, or concepts in a historical, scientific, or technical text, including what happened and why, based on specific information in the text.
RI.4.4
Determine the meaning of general academic and domain-specific words or phrases in a text relevant to a grade 4 topic or subject area.
RI.5.1
Quote accurately from a text when explaining what the text says explicitly and when drawing inferences from the text.
RI.5.3
Explain the relationships or interactions between two or more individuals, events, ideas, or concepts in a historical, scientific, or technical text based on specific information in the text.
RI.5.4
Determine the meaning of general academic and domain-specific words and phrases in a text relevant to a grade 5 topic or subject area.
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