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
Show Less
Filters
Search for: high, frequency, 4
✕
Science
✕
Activities
✕
1st and 2nd 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 62 results
Showing Results for high frequency 4
62 results
Search for: high, frequency, 4
✕
Science
✕
Activities
✕
1st and 2nd Grade
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
62 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
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
A Visual Model of the Doppler Effect
Activity
A Visual Model of the Doppler Effect
Kindergarten
Engineering and Science Inquiry
Using a toy race car kids create a visual model of the Doppler Effect.
Activity
A Visual Model of the Doppler Effect
Activity
A Visual Model of the Doppler Effect
Using a toy race car kids create a visual model of the Doppler Effect.
Kindergarten
Engineering and Science Inquiry
Activity
Experimenting with Ant Food: Do Ants Have Favorite Flavors?
Activity
Experimenting with Ant Food: Do Ants Have Favorite Flavors?
First Grade
Engineering and Science Inquiry
People have favorite flavors, but what about ants? Which ant food is the most popular?
Activity
Experimenting with Ant Food: Do Ants Have Favorite Flavors?
Activity
Experimenting with Ant Food: Do Ants Have Favorite Flavors?
People have favorite flavors, but what about ants? Which ant food is the most popular?
First Grade
Engineering and Science Inquiry
Activity
Feeding Plants
Activity
Feeding Plants
Kindergarten
Engineering and Science Inquiry
This project explores whether plants can live and grow when "watered" with juice, soda, or milk.
Activity
Feeding Plants
Activity
Feeding Plants
This project explores whether plants can live and grow when "watered" with juice, soda, or milk.
Kindergarten
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
Cleansing Power: How Does Dishwashing Liquid Work?
Activity
Cleansing Power: How Does Dishwashing Liquid Work?
Second Grade
Engineering and Science Inquiry
How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.
Activity
Cleansing Power: How Does Dishwashing Liquid Work?
Activity
Cleansing Power: How Does Dishwashing Liquid Work?
How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.
Second Grade
Engineering and Science Inquiry
Activity
Parachutes
Activity
Parachutes
First Grade
Engineering and Science Inquiry
This science fair project idea determines if the size of the parachute will change the rate at which an object falls.
Activity
Parachutes
Activity
Parachutes
This science fair project idea determines if the size of the parachute will change the rate at which an object falls.
First Grade
Engineering and Science Inquiry
Activity
Soil Space: A Crowded Science
Activity
Soil Space: A Crowded Science
Second Grade
Engineering and Science Inquiry
Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.
Activity
Soil Space: A Crowded Science
Activity
Soil Space: A Crowded Science
Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.
Second Grade
Engineering and Science Inquiry
Activity
Low Fat, Low Taste?
Activity
Low Fat, Low Taste?
Second Grade
Engineering and Science Inquiry
This science fair project idea investigates if fats add to the flavor of food.
Activity
Low Fat, Low Taste?
Activity
Low Fat, Low Taste?
This science fair project idea investigates if fats add to the flavor of food.
Second Grade
Engineering and Science Inquiry
Activity
Plants Need Sunlight and Water
Activity
Plants Need Sunlight and Water
Kindergarten
Engineering and Science Inquiry
This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.
Activity
Plants Need Sunlight and Water
Activity
Plants Need Sunlight and Water
This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.
Kindergarten
Engineering and Science Inquiry
Activity
Turtle Habitat
Activity
Turtle Habitat
Second Grade
Measurement
Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.
Activity
Turtle Habitat
Activity
Turtle Habitat
Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.
Second Grade
Measurement
Activity
Making Plants Grow
Activity
Making Plants Grow
First Grade
Engineering and Science Inquiry
The objective of this science project is to determine the length of time for different seeds to germinate.
Activity
Making Plants Grow
Activity
Making Plants Grow
The objective of this science project is to determine the length of time for different seeds to germinate.
First Grade
Engineering and Science Inquiry
Activity
Is it Possible to Blow a Square Bubble?
Activity
Is it Possible to Blow a Square Bubble?
Second Grade
Engineering and Science Inquiry
Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?
Activity
Is it Possible to Blow a Square Bubble?
Activity
Is it Possible to Blow a Square Bubble?
Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?
Second Grade
Engineering and Science Inquiry
Activity
Candy Science: A Halloween Experiment
Activity
Candy Science: A Halloween Experiment
First Grade
Engineering and Science Inquiry
With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!
Activity
Candy Science: A Halloween Experiment
Activity
Candy Science: A Halloween Experiment
With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!
First Grade
Engineering and Science Inquiry
Activity
Soil Amendments and Growing Beans
Activity
Soil Amendments and Growing Beans
Second Grade
Engineering and Science Inquiry
Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!
Activity
Soil Amendments and Growing Beans
Activity
Soil Amendments and Growing Beans
Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!
Second Grade
Engineering and Science Inquiry
Activity
Balancing Rocks: A Wobbly Game
Activity
Balancing Rocks: A Wobbly Game
Second Grade
Engineering and Science Inquiry
Play with balance and simple engineering as you hurry to create a sturdy rock tower.
Activity
Balancing Rocks: A Wobbly Game
Activity
Balancing Rocks: A Wobbly Game
Play with balance and simple engineering as you hurry to create a sturdy rock tower.
Second Grade
Engineering and Science Inquiry
Activity
The Single Fixed Pulley System
Activity
The Single Fixed Pulley System
Second Grade
Engineering and Science Inquiry
Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.
Activity
The Single Fixed Pulley System
Activity
The Single Fixed Pulley System
Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.
Second Grade
Engineering and Science Inquiry
Activity
How Do Seeds Hitchhike?
Activity
How Do Seeds Hitchhike?
Second Grade
Engineering and Science Inquiry
This science fair project examines how seeds hitchhike on animals and clothing.
Activity
How Do Seeds Hitchhike?
Activity
How Do Seeds Hitchhike?
This science fair project examines how seeds hitchhike on animals and clothing.
Second Grade
Engineering and Science Inquiry
Activity
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
Activity
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
Second Grade
Engineering and Science Inquiry
The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.
Activity
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
Activity
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.
Second Grade
Engineering and Science Inquiry
Activity
Rainbow in a Jar
Activity
Rainbow in a Jar
Second Grade
Engineering and Science Inquiry
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Activity
Rainbow in a Jar
Activity
Rainbow in a Jar
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Second Grade
Engineering and Science Inquiry
Activity
Get Cracking
Activity
Get Cracking
Second Grade
Engineering and Science Inquiry
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Activity
Get Cracking
Activity
Get Cracking
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Second Grade
Engineering and Science Inquiry
Activity
Folding Paper
Activity
Folding Paper
Second Grade
Engineering and Science Inquiry
Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.
Activity
Folding Paper
Activity
Folding Paper
Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.
Second Grade
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
The Science Behind Keeping Flowers Fresh
Activity
The Science Behind Keeping Flowers Fresh
Second Grade
Engineering and Science Inquiry
When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?
Activity
The Science Behind Keeping Flowers Fresh
Activity
The Science Behind Keeping Flowers Fresh
When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?
Second Grade
Engineering and Science Inquiry
Activity
Why Doesn't the Ocean Freeze?
Activity
Why Doesn't the Ocean Freeze?
Second Grade
Measurement
Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.
Activity
Why Doesn't the Ocean Freeze?
Activity
Why Doesn't the Ocean Freeze?
Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.
Second Grade
Measurement
Activity
Bridge Over Troubled Water
Activity
Bridge Over Troubled Water
First Grade
Engineering and Science Inquiry
This science fair project idea explores how length affects the weight a bridge can hold.
Activity
Bridge Over Troubled Water
Activity
Bridge Over Troubled Water
This science fair project idea explores how length affects the weight a bridge can hold.
First Grade
Engineering and Science Inquiry
Activity
Germs on Hands
Activity
Germs on Hands
Second Grade
Engineering and Science Inquiry
In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.
Activity
Germs on Hands
Activity
Germs on Hands
In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.
Second Grade
Engineering and Science Inquiry
Activity
Building a Simulated Volcano
Activity
Building a Simulated Volcano
First Grade
Engineering and Science Inquiry
The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.
Activity
Building a Simulated Volcano
Activity
Building a Simulated Volcano
The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.
First Grade
Engineering and Science Inquiry
Activity
Shadow Science: What Makes Shade Shift?
Activity
Shadow Science: What Makes Shade Shift?
First Grade
Engineering and Science Inquiry
What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.
Activity
Shadow Science: What Makes Shade Shift?
Activity
Shadow Science: What Makes Shade Shift?
What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.
First Grade
Engineering and Science Inquiry
Activity
Color Changing Milk Experiment
Activity
Color Changing Milk Experiment
Second Grade
Engineering and Science Inquiry
Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.
Activity
Color Changing Milk Experiment
Activity
Color Changing Milk Experiment
Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.
Second Grade
Engineering and Science Inquiry
Activity
1
2
3