SKIP TO CONTENT
Worksheet Generator
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
All Subjects
Science
Engineering and Science Inquiry
Subtopics:
Engineering Design
Science Projects
The Scientific Method
Observations and Data Collection
Show Less
Filters
Search for: simple, machines
✕
Science
✕
3rd and 4th Grade
✕
Subjects
Math
English Language Arts
Science
Social Studies
Foreign Language
Grade Level
Pre-K
K
1st
2nd
3rd
4th
5th
6th
7th
8th
Early Childhood
Elementary School
Middle School
Resource Type
Lesson Plans
Activities
Occasion
Halloween
Holidays
Common Core
Yes
Arts & Crafts
Arts & Crafts
Construction & Sculpture
See More
Clear All
View 65 results
Showing Results for simple machines
65 results
Search for: simple, machines
✕
Science
✕
3rd and 4th Grade
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
65 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
Simple Machines
Activity
Simple Machines
Fourth Grade
Engineering and Science Inquiry
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Activity
Simple Machines
Activity
Simple Machines
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Fourth Grade
Engineering and Science Inquiry
Activity
Third-Class Levers in the Human Body
Activity
Third-Class Levers in the Human Body
Third Grade
Engineering and Science Inquiry
Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!
Activity
Third-Class Levers in the Human Body
Activity
Third-Class Levers in the Human Body
Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!
Third Grade
Engineering and Science Inquiry
Activity
Cell Membrane
Activity
Cell Membrane
Third Grade
Engineering and Science Inquiry
In this science fair project you will make a model of a cell membrane using very simple material.
Activity
Cell Membrane
Activity
Cell Membrane
In this science fair project you will make a model of a cell membrane using very simple material.
Third Grade
Engineering and Science Inquiry
Activity
Amazing Aerodynamics
Activity
Amazing Aerodynamics
Third Grade
Physical Science
This easy aerodynamics activity is a simple way to introduce kids to the scientific method.
Activity
Amazing Aerodynamics
Activity
Amazing Aerodynamics
This easy aerodynamics activity is a simple way to introduce kids to the scientific method.
Third Grade
Physical Science
Activity
Growing Bacteria
Activity
Growing Bacteria
Fourth Grade
Engineering and Science Inquiry
Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.
Activity
Growing Bacteria
Activity
Growing Bacteria
Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.
Fourth Grade
Engineering and Science Inquiry
Activity
Gymnosperms: Pine Cone Experiment
Activity
Gymnosperms: Pine Cone Experiment
Third Grade
Engineering and Science Inquiry
Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!
Activity
Gymnosperms: Pine Cone Experiment
Activity
Gymnosperms: Pine Cone Experiment
Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!
Third Grade
Engineering and Science Inquiry
Activity
Tangential Velocity and Circular Motion Experiment
Activity
Tangential Velocity and Circular Motion Experiment
Third Grade
Engineering and Science Inquiry
In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.
Activity
Tangential Velocity and Circular Motion Experiment
Activity
Tangential Velocity and Circular Motion Experiment
In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.
Third Grade
Engineering and Science Inquiry
Activity
Understanding Absorption
Activity
Understanding Absorption
Third Grade
Life Science
Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.
Activity
Understanding Absorption
Activity
Understanding Absorption
Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.
Third Grade
Life Science
Activity
Work and Energy
Activity
Work and Energy
Fourth Grade
Engineering and Science Inquiry
Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.
Activity
Work and Energy
Activity
Work and Energy
Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.
Fourth Grade
Engineering and Science Inquiry
Activity
Principles of Air Pressure
Activity
Principles of Air Pressure
Fourth Grade
Engineering and Science Inquiry
The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.
Activity
Principles of Air Pressure
Activity
Principles of Air Pressure
The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.
Fourth Grade
Engineering and Science Inquiry
Activity
What Causes Dew?
Activity
What Causes Dew?
Fourth Grade
Engineering and Science Inquiry
In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.
Activity
What Causes Dew?
Activity
What Causes Dew?
In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.
Fourth Grade
Engineering and Science Inquiry
Activity
How Does Frost Form?
Activity
How Does Frost Form?
Third Grade
Measurement
How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.
Activity
How Does Frost Form?
Activity
How Does Frost Form?
How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.
Third Grade
Measurement
Activity
Halloween STEM Building Challenge
Activity
Halloween STEM Building Challenge
Second Grade
Engineering and Science Inquiry
The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.
Activity
Halloween STEM Building Challenge
Activity
Halloween STEM Building Challenge
The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.
Second Grade
Engineering and Science Inquiry
Activity
Design Challenge: Make a Rube Goldberg Machine
Activity
Design Challenge: Make a Rube Goldberg Machine
Third Grade
Engineering and Science Inquiry
In this hands-on design challenge your child will make their very own Rube Goldberg Machine.
Activity
Design Challenge: Make a Rube Goldberg Machine
Activity
Design Challenge: Make a Rube Goldberg Machine
In this hands-on design challenge your child will make their very own Rube Goldberg Machine.
Third Grade
Engineering and Science Inquiry
Activity
A Single Movable Pulley and Mechanical Advantage
Activity
A Single Movable Pulley and Mechanical Advantage
Fourth Grade
Engineering and Science Inquiry
Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.
Activity
A Single Movable Pulley and Mechanical Advantage
Activity
A Single Movable Pulley and Mechanical Advantage
Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.
Fourth Grade
Engineering and Science Inquiry
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
Fourth Grade
Engineering and Science Inquiry
How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.
Fourth Grade
Engineering and Science Inquiry
Activity
Bouncy Balls
Activity
Bouncy Balls
Fourth Grade
Engineering and Science Inquiry
This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.
Activity
Bouncy Balls
Activity
Bouncy Balls
This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.
Fourth Grade
Engineering and Science Inquiry
Activity
Animal Vision: Ocelli, Compound Eyes, and Camera Eyes
Activity
Animal Vision: Ocelli, Compound Eyes, and Camera Eyes
Third Grade
Engineering and Science Inquiry
In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!
Activity
Animal Vision: Ocelli, Compound Eyes, and Camera Eyes
Activity
Animal Vision: Ocelli, Compound Eyes, and Camera Eyes
In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!
Third Grade
Engineering and Science Inquiry
Activity
How A Kazoo Makes Sounds
Activity
How A Kazoo Makes Sounds
Second Grade
Physical Science
How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.
Activity
How A Kazoo Makes Sounds
Activity
How A Kazoo Makes Sounds
How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.
Second Grade
Physical Science
Activity
Using A Dichotomous Key To Identify Trees
Activity
Using A Dichotomous Key To Identify Trees
Fourth Grade
Engineering and Science Inquiry
This science fair project idea identifies trees using a dichotomous key.
Activity
Using A Dichotomous Key To Identify Trees
Activity
Using A Dichotomous Key To Identify Trees
This science fair project idea identifies trees using a dichotomous key.
Fourth Grade
Engineering and Science Inquiry
Activity
Conductor or Insulator
Activity
Conductor or Insulator
Third Grade
Engineering and Science Inquiry
This science fair project idea determines what household items are good conductors of electricity.
Activity
Conductor or Insulator
Activity
Conductor or Insulator
This science fair project idea determines what household items are good conductors of electricity.
Third Grade
Engineering and Science Inquiry
Activity
Conductor or Insulator?
Activity
Conductor or Insulator?
Third Grade
Engineering and Science Inquiry
This science fair project idea determines what household items are good conductors of electricity.
Activity
Conductor or Insulator?
Activity
Conductor or Insulator?
This science fair project idea determines what household items are good conductors of electricity.
Third Grade
Engineering and Science Inquiry
Activity
Gravitational Forces for Preschoolers
Activity
Gravitational Forces for Preschoolers
First Grade
Engineering and Science Inquiry
This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.
Activity
Gravitational Forces for Preschoolers
Activity
Gravitational Forces for Preschoolers
This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.
First Grade
Engineering and Science Inquiry
Activity
Musical Glasses
Activity
Musical Glasses
Third Grade
Engineering and Science Inquiry
In this project students experiment with making music using only glasses of water.
Activity
Musical Glasses
Activity
Musical Glasses
In this project students experiment with making music using only glasses of water.
Third Grade
Engineering and Science Inquiry
Activity
Slinky: Metal vs. Plastic
Activity
Slinky: Metal vs. Plastic
Fourth Grade
Engineering and Science Inquiry
This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.
Activity
Slinky: Metal vs. Plastic
Activity
Slinky: Metal vs. Plastic
This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.
Fourth Grade
Engineering and Science Inquiry
Activity
A Rocky Quiz
Activity
A Rocky Quiz
Third Grade
Engineering and Science Inquiry
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
Activity
A Rocky Quiz
Activity
A Rocky Quiz
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
Third Grade
Engineering and Science Inquiry
Activity
Thirsty Plants
Activity
Thirsty Plants
Fourth Grade
Engineering and Science Inquiry
Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.
Activity
Thirsty Plants
Activity
Thirsty Plants
Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.
Fourth Grade
Engineering and Science Inquiry
Activity
Halloween Potions
Activity
Halloween Potions
Pre-K
Engineering and Science Inquiry
Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.
Activity
Halloween Potions
Activity
Halloween Potions
Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.
Pre-K
Engineering and Science Inquiry
Activity
Survival Skills
Activity
Survival Skills
Fourth Grade
Engineering and Science Inquiry
Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.
Activity
Survival Skills
Activity
Survival Skills
Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.
Fourth Grade
Engineering and Science Inquiry
Activity
Building Brick Challenge: Find the Perfect Fit
Activity
Building Brick Challenge: Find the Perfect Fit
Fourth Grade
Engineering and Science Inquiry
This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.
Activity
Building Brick Challenge: Find the Perfect Fit
Activity
Building Brick Challenge: Find the Perfect Fit
This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.
Fourth Grade
Engineering and Science Inquiry
Activity
1
2
3