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
Lab Safety and Equipment
Observations and Data Collection
Show Less
Filters
Search for: simple, experiments
✕
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
Activities
See More
Clear All
View 87 results
Showing Results for simple experiments : Page 2
87 results
Search for: simple, experiments
✕
Science
✕
3rd and 4th Grade
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
87 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
Most Popular Soda
Activity
Most Popular Soda
Fourth Grade
Engineering and Science Inquiry
The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.
Activity
Most Popular Soda
Activity
Most Popular Soda
The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.
Fourth Grade
Engineering and Science Inquiry
Activity
Dew Point, Humidity and Weather
Activity
Dew Point, Humidity and Weather
Second Grade
Engineering and Science Inquiry
Science fair project that examines condensation and the conditions needed in order for dew to form.
Activity
Dew Point, Humidity and Weather
Activity
Dew Point, Humidity and Weather
Science fair project that examines condensation and the conditions needed in order for dew to form.
Second Grade
Engineering and Science Inquiry
Activity
Snow to Liquid Ratio
Activity
Snow to Liquid Ratio
Second Grade
Engineering and Science Inquiry
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Activity
Snow to Liquid Ratio
Activity
Snow to Liquid Ratio
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Second 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
Testing the Solubility of Common Liquid Solvents
Activity
Testing the Solubility of Common Liquid Solvents
Fourth Grade
Physical Science
In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.
Activity
Testing the Solubility of Common Liquid Solvents
Activity
Testing the Solubility of Common Liquid Solvents
In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.
Fourth Grade
Physical Science
Activity
DIY Rain Gauge
Activity
DIY Rain Gauge
Fourth Grade
Earth and Space Science
In this science fair project, students make their own rain gauge to measure rainfall.
Activity
DIY Rain Gauge
Activity
DIY Rain Gauge
In this science fair project, students make their own rain gauge to measure rainfall.
Fourth Grade
Earth and Space Science
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
How to Create a Visual Doppler
Activity
How to Create a Visual Doppler
Fourth Grade
Physical Science
This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.
Activity
How to Create a Visual Doppler
Activity
How to Create a Visual Doppler
This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.
Fourth Grade
Physical Science
Activity
Cleaning With Lemon Experiment
Activity
Cleaning With Lemon Experiment
Fourth Grade
Engineering and Science Inquiry
Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.
Activity
Cleaning With Lemon Experiment
Activity
Cleaning With Lemon Experiment
Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.
Fourth Grade
Engineering and Science Inquiry
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
Does Hot Water Freeze Faster Than Cold Water?
Activity
Does Hot Water Freeze Faster Than Cold Water?
Third Grade
Measurement
Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!
Activity
Does Hot Water Freeze Faster Than Cold Water?
Activity
Does Hot Water Freeze Faster Than Cold Water?
Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!
Third Grade
Measurement
Activity
Fruit Fly Life Cycle
Activity
Fruit Fly Life Cycle
Fourth Grade
Life Science
Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.
Activity
Fruit Fly Life Cycle
Activity
Fruit Fly Life Cycle
Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.
Fourth Grade
Life Science
Activity
Cooling Food: Microwave vs. Oven
Activity
Cooling Food: Microwave vs. Oven
Fourth Grade
Engineering and Science Inquiry
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Activity
Cooling Food: Microwave vs. Oven
Activity
Cooling Food: Microwave vs. Oven
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Fourth Grade
Engineering and Science Inquiry
Activity
The Effects of Temperature on Bounce
Activity
The Effects of Temperature on Bounce
Fourth Grade
Engineering and Science Inquiry
This science fair project idea determines if the temperature of rubber effects how high it bounces.
Activity
The Effects of Temperature on Bounce
Activity
The Effects of Temperature on Bounce
This science fair project idea determines if the temperature of rubber effects how high it bounces.
Fourth Grade
Engineering and Science Inquiry
Activity
Can Crystals Show Color Mixing?
Activity
Can Crystals Show Color Mixing?
Second Grade
Engineering and Science Inquiry
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Activity
Can Crystals Show Color Mixing?
Activity
Can Crystals Show Color Mixing?
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Second 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
Positive and Negative Geotropism
Activity
Positive and Negative Geotropism
Fourth Grade
Engineering and Science Inquiry
Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.
Activity
Positive and Negative Geotropism
Activity
Positive and Negative Geotropism
Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.
Fourth Grade
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
Dig This: Biodegradation
Activity
Dig This: Biodegradation
Second Grade
Engineering and Science Inquiry
How do organic materials become soil? This science experiment measures what materials biodegrade.
Activity
Dig This: Biodegradation
Activity
Dig This: Biodegradation
How do organic materials become soil? This science experiment measures what materials biodegrade.
Second Grade
Engineering and Science Inquiry
Activity
Building Up the Fizz in Soda
Activity
Building Up the Fizz in Soda
Fourth Grade
Engineering and Science Inquiry
Examine the effect of pressure on carbonation in soda.
Activity
Building Up the Fizz in Soda
Activity
Building Up the Fizz in Soda
Examine the effect of pressure on carbonation in soda.
Fourth Grade
Engineering and Science Inquiry
Activity
Clay Enzyme
Activity
Clay Enzyme
Third Grade
Engineering and Science Inquiry
This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.
Activity
Clay Enzyme
Activity
Clay Enzyme
This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.
Third Grade
Engineering and Science Inquiry
Activity
Why Do Greens Turn Brown?
Activity
Why Do Greens Turn Brown?
Kindergarten
Engineering and Science Inquiry
This science fair project teaches students about wilting and browning of salad greens.
Activity
Why Do Greens Turn Brown?
Activity
Why Do Greens Turn Brown?
This science fair project teaches students about wilting and browning of salad greens.
Kindergarten
Engineering and Science Inquiry
Activity
The Role of Fat in Food
Activity
The Role of Fat in Food
First Grade
Engineering and Science Inquiry
This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.
Activity
The Role of Fat in Food
Activity
The Role of Fat in Food
This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.
First Grade
Engineering and Science Inquiry
Activity
Making Fake Snot!
Activity
Making Fake Snot!
Fourth Grade
Engineering and Science Inquiry
Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
Activity
Making Fake Snot!
Activity
Making Fake Snot!
Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
Fourth Grade
Engineering and Science Inquiry
Activity
Text on Screen vs. Type on Paper: Which is Easier to Remember?
Activity
Text on Screen vs. Type on Paper: Which is Easier to Remember?
Fourth Grade
Engineering and Science Inquiry
This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.
Activity
Text on Screen vs. Type on Paper: Which is Easier to Remember?
Activity
Text on Screen vs. Type on Paper: Which is Easier to Remember?
This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.
Fourth Grade
Engineering and Science Inquiry
Activity
1
2
3