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
3rd and 4th Grade Science Projects Activities : Page 2
Filters
Science
Engineering and Science Inquiry
364 results
Science
✕
Activities
✕
3rd and 4th Grade
✕
Clear all
364 results
Subtopics:
Engineering Design
Science Projects
✕
The Scientific Method
Lab Safety and Equipment
Observations and Data Collection
Show Less
Filters
Science
✕
Activities
✕
3rd and 4th Grade
✕
Subjects
Math
English Language Arts
Science
Social Studies
Foreign Language
Technology
Grade Level
Pre-K
K
1st
2nd
3rd
4th
5th
6th
7th
8th
Early Childhood
Elementary School
Middle School
Resource Type
Activities
Clear all
View 364 results
3rd and 4th Grade Science Projects Activities : Page 2
Filters
364 results
Science
✕
Activities
✕
3rd and 4th Grade
✕
Clear all
364 results
Bust That Rust!
Activity
Bust That Rust!
Second Grade
Engineering and Science Inquiry
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Activity
Bust That Rust!
Activity
Bust That Rust!
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Second Grade
Engineering and Science Inquiry
Activity
Streak Test
Activity
Streak Test
Second Grade
Engineering and Science Inquiry
In this science fair project, students use the streak test to tell minerals apart from each other.
Activity
Streak Test
Activity
Streak Test
In this science fair project, students use the streak test to tell minerals apart from each other.
Second 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 Electromagnet
Activity
DIY Electromagnet
Fourth Grade
Engineering and Science Inquiry
Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.
Activity
DIY Electromagnet
Activity
DIY Electromagnet
Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.
Fourth Grade
Engineering and Science Inquiry
Activity
Creatures That Bug Us
Activity
Creatures That Bug Us
Second Grade
Engineering and Science Inquiry
There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.
Activity
Creatures That Bug Us
Activity
Creatures That Bug Us
There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.
Second Grade
Engineering and Science Inquiry
Activity
Dog Nose Prints
Activity
Dog Nose Prints
Fourth Grade
Engineering and Science Inquiry
Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!
Activity
Dog Nose Prints
Activity
Dog Nose Prints
Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!
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
Why Does Honey Crystallize?
Activity
Why Does Honey Crystallize?
Third Grade
Measurement
Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.
Activity
Why Does Honey Crystallize?
Activity
Why Does Honey Crystallize?
Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.
Third Grade
Measurement
Activity
Keep the Boat Afloat
Activity
Keep the Boat Afloat
Third Grade
Engineering and Science Inquiry
This science fair project idea examines the reason boats are shaped and engineered.
Activity
Keep the Boat Afloat
Activity
Keep the Boat Afloat
This science fair project idea examines the reason boats are shaped and engineered.
Third Grade
Engineering and Science Inquiry
Activity
How to use Colored Filters to Send Secret Messages
Activity
How to use Colored Filters to Send Secret Messages
Third Grade
Engineering and Science Inquiry
Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.
Activity
How to use Colored Filters to Send Secret Messages
Activity
How to use Colored Filters to Send Secret Messages
Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.
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
Is it a Fruit or a Veggie?
Activity
Is it a Fruit or a Veggie?
Second Grade
Engineering and Science Inquiry
This science fair project teaches students the differences between fruits and vegetables.
Activity
Is it a Fruit or a Veggie?
Activity
Is it a Fruit or a Veggie?
This science fair project teaches students the differences between fruits and vegetables.
Second Grade
Engineering and Science Inquiry
Activity
Microwaving Liquids: Dielectric Heating
Activity
Microwaving Liquids: Dielectric Heating
Fourth Grade
Engineering and Science Inquiry
Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!
Activity
Microwaving Liquids: Dielectric Heating
Activity
Microwaving Liquids: Dielectric Heating
Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!
Fourth Grade
Engineering and Science Inquiry
Activity
Energy From Garbage: How to Make Biogas
Activity
Energy From Garbage: How to Make Biogas
Fourth Grade
Engineering and Science Inquiry
It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.
Activity
Energy From Garbage: How to Make Biogas
Activity
Energy From Garbage: How to Make Biogas
It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.
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
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Activity
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Fourth Grade
Engineering and Science Inquiry
Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.
Activity
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Activity
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.
Fourth Grade
Engineering and Science Inquiry
Activity
Magma Lamp: What Happens When a Less-Dense Fluid Interacts with a Denser One?
Activity
Magma Lamp: What Happens When a Less-Dense Fluid Interacts with a Denser One?
Fourth Grade
Engineering and Science Inquiry
In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.
Activity
Magma Lamp: What Happens When a Less-Dense Fluid Interacts with a Denser One?
Activity
Magma Lamp: What Happens When a Less-Dense Fluid Interacts with a Denser One?
In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.
Fourth Grade
Engineering and Science Inquiry
Activity
Which Bubblegum Brand Produces the Biggest Bubbles?
Activity
Which Bubblegum Brand Produces the Biggest Bubbles?
Fourth Grade
Engineering and Science Inquiry
This science fair project idea discovers which brand of bubblegum produces the largest bubbles.
Activity
Which Bubblegum Brand Produces the Biggest Bubbles?
Activity
Which Bubblegum Brand Produces the Biggest Bubbles?
This science fair project idea discovers which brand of bubblegum produces the largest bubbles.
Fourth Grade
Engineering and Science Inquiry
Activity
To Leaf or Not to Leaf
Activity
To Leaf or Not to Leaf
Second Grade
Engineering and Science Inquiry
Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.
Activity
To Leaf or Not to Leaf
Activity
To Leaf or Not to Leaf
Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.
Second Grade
Engineering and Science Inquiry
Activity
The Relationship Between Toilet Paper Ply and Strength
Activity
The Relationship Between Toilet Paper Ply and Strength
Third Grade
Engineering and Science Inquiry
This project compares the strength of one, two, and three-ply toilet paper.
Activity
The Relationship Between Toilet Paper Ply and Strength
Activity
The Relationship Between Toilet Paper Ply and Strength
This project compares the strength of one, two, and three-ply toilet paper.
Third Grade
Engineering and Science Inquiry
Activity
Salt Melting Ice
Activity
Salt Melting Ice
Fourth Grade
Engineering and Science Inquiry
Discover how and which salt melts ice the quickest.
Activity
Salt Melting Ice
Activity
Salt Melting Ice
Discover how and which salt melts ice the quickest.
Fourth Grade
Engineering and Science Inquiry
Activity
Why Do Apples Turn Brown?
Activity
Why Do Apples Turn Brown?
Fourth Grade
Engineering and Science Inquiry
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Activity
Why Do Apples Turn Brown?
Activity
Why Do Apples Turn Brown?
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Fourth Grade
Engineering and Science Inquiry
Activity
Does Opening A Fruit Up Cause it to Rot Faster?
Activity
Does Opening A Fruit Up Cause it to Rot Faster?
Fourth Grade
Engineering and Science Inquiry
Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!
Activity
Does Opening A Fruit Up Cause it to Rot Faster?
Activity
Does Opening A Fruit Up Cause it to Rot Faster?
Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!
Fourth Grade
Engineering and Science Inquiry
Activity
Memorizing Numbers
Activity
Memorizing Numbers
Third Grade
Engineering and Science Inquiry
Have you ever wondered how many numbers most people can memorize? Test your friends to find out!
Activity
Memorizing Numbers
Activity
Memorizing Numbers
Have you ever wondered how many numbers most people can memorize? Test your friends to find out!
Third Grade
Engineering and Science Inquiry
Activity
A Glass Symphony
Activity
A Glass Symphony
Fourth Grade
Physical Science
Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.
Activity
A Glass Symphony
Activity
A Glass Symphony
Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.
Fourth Grade
Physical Science
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
Inverse Square Law: How Does Distance Affect the Spreading of Light?
Activity
Inverse Square Law: How Does Distance Affect the Spreading of Light?
Fourth Grade
Engineering and Science Inquiry
How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.
Activity
Inverse Square Law: How Does Distance Affect the Spreading of Light?
Activity
Inverse Square Law: How Does Distance Affect the Spreading of Light?
How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.
Fourth Grade
Engineering and Science Inquiry
Activity
Bee Watcher: What's Buzzing?
Activity
Bee Watcher: What's Buzzing?
Third Grade
Engineering and Science Inquiry
Enter the buzz worthy world of bee watching and find out what time bees like to wake up!
Activity
Bee Watcher: What's Buzzing?
Activity
Bee Watcher: What's Buzzing?
Enter the buzz worthy world of bee watching and find out what time bees like to wake up!
Third Grade
Engineering and Science Inquiry
Activity
How to Separate Salt from Water
Activity
How to Separate Salt from Water
Third Grade
Physical Science
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Activity
How to Separate Salt from Water
Activity
How to Separate Salt from Water
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Third Grade
Physical Science
Activity
Heat from Light Bulbs
Activity
Heat from Light Bulbs
Fourth Grade
Engineering and Science Inquiry
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Activity
Heat from Light Bulbs
Activity
Heat from Light Bulbs
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Fourth Grade
Engineering and Science Inquiry
Activity
1
2
3
4
…
13