SKIP TO CONTENT
Worksheet Generator
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
Math Month
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
Math Month
All Subjects
Science
Engineering and Science Inquiry
Subtopics:
Engineering Design
Science Projects
The Scientific Method
Show Less
Filters
Search for: let
✕
Science
✕
5th Grade
✕
Subjects
Math
English Language Arts
Science
Social Studies
Grade Level
Pre-K
K
1st
2nd
3rd
4th
5th
6th
7th
8th
Early Childhood
Elementary School
Middle School
Resource Type
Activities
See More
Clear All
View 58 results
Showing Results for let
58 results
Search for: let
✕
Science
✕
5th Grade
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
58 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
Let The Sun Shine In!
Activity
Let The Sun Shine In!
Fourth Grade
Engineering and Science Inquiry
This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.
Activity
Let The Sun Shine In!
Activity
Let The Sun Shine In!
This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.
Fourth Grade
Engineering and Science Inquiry
Activity
Making A Rock In A Cup
Activity
Making A Rock In A Cup
Fourth Grade
Engineering and Science Inquiry
This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
Activity
Making A Rock In A Cup
Activity
Making A Rock In A Cup
This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
Fourth Grade
Engineering and Science Inquiry
Activity
Smile!
Activity
Smile!
Third Grade
Engineering and Science Inquiry
This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.
Activity
Smile!
Activity
Smile!
This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.
Third Grade
Engineering and Science Inquiry
Activity
Alcohol Fermentation
Activity
Alcohol Fermentation
Fifth Grade
Engineering and Science Inquiry
This science fair project idea explores alcoholic fermentation at work by making your own soda.
Activity
Alcohol Fermentation
Activity
Alcohol Fermentation
This science fair project idea explores alcoholic fermentation at work by making your own soda.
Fifth Grade
Engineering and Science Inquiry
Activity
The Effect of Color on Emotions
Activity
The Effect of Color on Emotions
Fifth Grade
Engineering and Science Inquiry
This science fair project idea explores whether color affects a person's emotional state.
Activity
The Effect of Color on Emotions
Activity
The Effect of Color on Emotions
This science fair project idea explores whether color affects a person's emotional state.
Fifth Grade
Engineering and Science Inquiry
Activity
Create Your Own Miniature Salt Flats!
Activity
Create Your Own Miniature Salt Flats!
Fourth Grade
Engineering and Science Inquiry
In this science fair project, students create their own miniature salt flats at home.
Activity
Create Your Own Miniature Salt Flats!
Activity
Create Your Own Miniature Salt Flats!
In this science fair project, students create their own miniature salt flats at home.
Fourth Grade
Engineering and Science Inquiry
Activity
Are Insects Attracted to Heat or Light?
Activity
Are Insects Attracted to Heat or Light?
Fifth Grade
Engineering and Science Inquiry
Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.
Activity
Are Insects Attracted to Heat or Light?
Activity
Are Insects Attracted to Heat or Light?
Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.
Fifth Grade
Engineering and Science Inquiry
Activity
Defying Gravity
Activity
Defying Gravity
Second Grade
Engineering and Science Inquiry
This science fair project idea investigates how magnetism can defy the force of gravity.
Activity
Defying Gravity
Activity
Defying Gravity
This science fair project idea investigates how magnetism can defy the force of gravity.
Second Grade
Engineering and Science Inquiry
Activity
Which Type of Sponge Holds the Most Water?
Activity
Which Type of Sponge Holds the Most Water?
Fifth Grade
Engineering and Science Inquiry
Find out which type of sponge holds the most water.
Activity
Which Type of Sponge Holds the Most Water?
Activity
Which Type of Sponge Holds the Most Water?
Find out which type of sponge holds the most water.
Fifth Grade
Engineering and Science Inquiry
Activity
Geology 101
Activity
Geology 101
Second Grade
Engineering and Science Inquiry
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Activity
Geology 101
Activity
Geology 101
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Second Grade
Engineering and Science Inquiry
Activity
Water and Mosses
Activity
Water and Mosses
Second Grade
Engineering and Science Inquiry
This science fair project will help students learn about non-vascular plants, such as mosses.
Activity
Water and Mosses
Activity
Water and Mosses
This science fair project will help students learn about non-vascular plants, such as mosses.
Second Grade
Engineering and Science Inquiry
Activity
Water Purification Experiment: Removing Chlorine From Water
Activity
Water Purification Experiment: Removing Chlorine From Water
Fifth Grade
Measurement
Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?
Activity
Water Purification Experiment: Removing Chlorine From Water
Activity
Water Purification Experiment: Removing Chlorine From Water
Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?
Fifth Grade
Measurement
Activity
Under What Conditions Do Potatoes Sprout The Fastest
Activity
Under What Conditions Do Potatoes Sprout The Fastest
Third Grade
Engineering and Science Inquiry
Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!
Activity
Under What Conditions Do Potatoes Sprout The Fastest
Activity
Under What Conditions Do Potatoes Sprout The Fastest
Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!
Third Grade
Engineering and Science Inquiry
Activity
Which Color Absorbs the Most Heat?
Activity
Which Color Absorbs the Most Heat?
Fifth Grade
Engineering and Science Inquiry
In this fun experiment, we'll find out how color affects heat absorption!
Activity
Which Color Absorbs the Most Heat?
Activity
Which Color Absorbs the Most Heat?
In this fun experiment, we'll find out how color affects heat absorption!
Fifth Grade
Engineering and Science Inquiry
Activity
How to Make Lightning
Activity
How to Make Lightning
Fifth Grade
Engineering and Science Inquiry
Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.
Activity
How to Make Lightning
Activity
How to Make Lightning
Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.
Fifth Grade
Engineering and Science Inquiry
Activity
Rubber Band Heat Engine
Activity
Rubber Band Heat Engine
Fifth Grade
Measurement
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Activity
Rubber Band Heat Engine
Activity
Rubber Band Heat Engine
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Fifth Grade
Measurement
Activity
Bernoulli's Principle Experiment
Activity
Bernoulli's Principle Experiment
Fifth Grade
Engineering and Science Inquiry
In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.
Activity
Bernoulli's Principle Experiment
Activity
Bernoulli's Principle Experiment
In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.
Fifth Grade
Engineering and Science Inquiry
Activity
Which Fabrics Shrink the Most in the Wash? Does Washing or Drying Cause This?
Activity
Which Fabrics Shrink the Most in the Wash? Does Washing or Drying Cause This?
Fifth Grade
Engineering and Science Inquiry
Discover which fabrics shrink the most in the wash and why.
Activity
Which Fabrics Shrink the Most in the Wash? Does Washing or Drying Cause This?
Activity
Which Fabrics Shrink the Most in the Wash? Does Washing or Drying Cause This?
Discover which fabrics shrink the most in the wash and why.
Fifth Grade
Engineering and Science Inquiry
Activity
Do You Need To Plant Seeds a Certain Direction for Them to Germinate?
Activity
Do You Need To Plant Seeds a Certain Direction for Them to Germinate?
Third Grade
Engineering and Science Inquiry
Explore if planting seeds in a certain direction will affect how fast it germinates.
Activity
Do You Need To Plant Seeds a Certain Direction for Them to Germinate?
Activity
Do You Need To Plant Seeds a Certain Direction for Them to Germinate?
Explore if planting seeds in a certain direction will affect how fast it germinates.
Third Grade
Engineering and Science Inquiry
Activity
Benefits of Good Posture
Activity
Benefits of Good Posture
Fifth Grade
Engineering and Science Inquiry
What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.
Activity
Benefits of Good Posture
Activity
Benefits of Good Posture
What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.
Fifth Grade
Engineering and Science Inquiry
Activity
Balloon Rocket Experiment
Activity
Balloon Rocket Experiment
Fifth Grade
Engineering and Science Inquiry
Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?
Activity
Balloon Rocket Experiment
Activity
Balloon Rocket Experiment
Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?
Fifth Grade
Engineering and Science Inquiry
Activity
How to Make Gears
Activity
How to Make Gears
Fifth Grade
Engineering and Science Inquiry
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
Activity
How to Make Gears
Activity
How to Make Gears
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
Fifth Grade
Engineering and Science Inquiry
Activity
Grass Turning Yellow: Chlorosis
Activity
Grass Turning Yellow: Chlorosis
Fifth Grade
Engineering and Science Inquiry
Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.
Activity
Grass Turning Yellow: Chlorosis
Activity
Grass Turning Yellow: Chlorosis
Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.
Fifth Grade
Engineering and Science Inquiry
Activity
Surface Features of the Moon Model
Activity
Surface Features of the Moon Model
Fifth Grade
Engineering and Science Inquiry
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Activity
Surface Features of the Moon Model
Activity
Surface Features of the Moon Model
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Fifth Grade
Engineering and Science Inquiry
Activity
A Massive Or Weighty Problem
Activity
A Massive Or Weighty Problem
Fifth Grade
Engineering and Science Inquiry
Science fair project that determines whether mass and weight are the same or different.
Activity
A Massive Or Weighty Problem
Activity
A Massive Or Weighty Problem
Science fair project that determines whether mass and weight are the same or different.
Fifth Grade
Engineering and Science Inquiry
Activity
The Fungus Among Us
Activity
The Fungus Among Us
Third Grade
Engineering and Science Inquiry
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
Activity
The Fungus Among Us
Activity
The Fungus Among Us
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
Third Grade
Engineering and Science Inquiry
Activity
Bad Vibrations: How Do Webs Help Spiders Get Prey?
Activity
Bad Vibrations: How Do Webs Help Spiders Get Prey?
Fifth Grade
Engineering and Science Inquiry
Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.
Activity
Bad Vibrations: How Do Webs Help Spiders Get Prey?
Activity
Bad Vibrations: How Do Webs Help Spiders Get Prey?
Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.
Fifth Grade
Engineering and Science Inquiry
Activity
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Activity
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Third Grade
Engineering and Science Inquiry
Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.
Activity
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Activity
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.
Third Grade
Engineering and Science Inquiry
Activity
Plant Phototropism Experiment
Activity
Plant Phototropism Experiment
Fifth Grade
Engineering and Science Inquiry
What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!
Activity
Plant Phototropism Experiment
Activity
Plant Phototropism Experiment
What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!
Fifth Grade
Engineering and Science Inquiry
Activity
Light Absorption and Color Filters
Activity
Light Absorption and Color Filters
Fifth Grade
Engineering and Science Inquiry
Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!
Activity
Light Absorption and Color Filters
Activity
Light Absorption and Color Filters
Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!
Fifth Grade
Engineering and Science Inquiry
Activity
1
2