SKIP TO CONTENT

Showing Results for adding subtracting unlike

View all resourcesScience
64 results
Search for: adding, subtracting, unlike
✕
Science
✕
3rd and 4th Grade
✕
Clear all
64 results
Subtopics:

Showing Results for adding subtracting unlike

64 results
Search for: adding, subtracting, unlike
✕
Science
✕
3rd and 4th Grade
✕
Clear all
64 results
Seeds in a Glove
Seeds in a Glove
Activity
Seeds in a Glove large image
Seeds in a Glove
Fourth Grade
Earth and Space Science
Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.
Activity
Seeds in a Glove
Seeds in a Glove
Activity
Seeds in a Glove
Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.
Fourth Grade
Earth and Space Science
Activity
Does Adding Salt to Pasta make it Cook Faster?
Does Adding Salt to Pasta make it Cook Faster?
Activity
Does Adding Salt to Pasta make it Cook Faster? large image
Does Adding Salt to Pasta make it Cook Faster?
Third Grade
Engineering and Science Inquiry
Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.
Activity
Does Adding Salt to Pasta make it Cook Faster?
Does Adding Salt to Pasta make it Cook Faster?
Activity
Does Adding Salt to Pasta make it Cook Faster?
Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.
Third Grade
Engineering and Science Inquiry
Activity
Asteroids and Comets
Asteroids and Comets
Worksheet
Asteroids and Comets large image
Asteroids and Comets
Fourth Grade
Earth and Space Science
Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?
Worksheet
Asteroids and Comets
Asteroids and Comets
Worksheet
Asteroids and Comets
Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?
Fourth Grade
Earth and Space Science
Worksheet
Does Gelatin Slow Down the Melting of Freezer Pops?
Does Gelatin Slow Down the Melting of Freezer Pops?
Activity
Does Gelatin Slow Down the Melting of Freezer Pops? large image
Does Gelatin Slow Down the Melting of Freezer Pops?
Third Grade
Engineering and Science Inquiry
This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.
Activity
Does Gelatin Slow Down the Melting of Freezer Pops?
Does Gelatin Slow Down the Melting of Freezer Pops?
Activity
Does Gelatin Slow Down the Melting of Freezer Pops?
This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.
Third Grade
Engineering and Science Inquiry
Activity
Factors Affecting Solubility
Activity
Factors Affecting Solubility
Third Grade
Engineering and Science Inquiry
Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.
Activity
Factors Affecting Solubility
Activity
Factors Affecting Solubility
Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.
Third Grade
Engineering and Science Inquiry
Activity
The Chemistry of Dyeing Easter Eggs
Activity
The Chemistry of Dyeing Easter Eggs
Fourth Grade
Engineering and Science Inquiry
What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!
Activity
The Chemistry of Dyeing Easter Eggs
Activity
The Chemistry of Dyeing Easter Eggs
What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!
Fourth Grade
Engineering and Science Inquiry
Activity
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
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? large image
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?
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
Rust Chemistry: How Does Rust Form?
Rust Chemistry: How Does Rust Form?
Activity
Rust Chemistry: How Does Rust Form? large image
Rust Chemistry: How Does Rust Form?
Third Grade
Physical Science
How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.
Activity
Rust Chemistry: How Does Rust Form?
Rust Chemistry: How Does Rust Form?
Activity
Rust Chemistry: How Does Rust Form?
How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.
Third Grade
Physical Science
Activity
Floating Balloons
Floating Balloons
Activity
Floating Balloons large image
Floating Balloons
Third Grade
Measurement
This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!
Activity
Floating Balloons
Floating Balloons
Activity
Floating Balloons
This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!
Third Grade
Measurement
Activity
Water and Mosses
Water and Mosses
Activity
Water and Mosses large image
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
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
Best Insulators
Best Insulators
Activity
Best Insulators large image
Best Insulators
Third Grade
Engineering and Science Inquiry
This science fair project idea examines which type of insulation holds in the most heat.
Activity
Best Insulators
Best Insulators
Activity
Best Insulators
This science fair project idea examines which type of insulation holds in the most heat.
Third Grade
Engineering and Science Inquiry
Activity
Can superabsorbent polymer crystals absorb any other liquids besides water?
Can superabsorbent polymer crystals absorb any other liquids besides water?
Activity
Can superabsorbent polymer crystals absorb any other liquids besides water? large image
Can superabsorbent polymer crystals absorb any other liquids besides water?
Fourth Grade
Engineering and Science Inquiry
This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?
Activity
Can superabsorbent polymer crystals absorb any other liquids besides water?
Can superabsorbent polymer crystals absorb any other liquids besides water?
Activity
Can superabsorbent polymer crystals absorb any other liquids besides water?
This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?
Fourth Grade
Engineering and Science Inquiry
Activity
Form and Function
Form and Function
Activity
Form and Function large image
Form and Function
First Grade
Engineering and Science Inquiry
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
Activity
Form and Function
Form and Function
Activity
Form and Function
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
First 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
DIY Compost: Aerobic and Anaerobic Decomposition
DIY Compost: Aerobic and Anaerobic Decomposition
Activity
DIY Compost: Aerobic and Anaerobic Decomposition large image
DIY Compost: Aerobic and Anaerobic Decomposition
Third Grade
Engineering and Science Inquiry
What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.
Activity
DIY Compost: Aerobic and Anaerobic Decomposition
DIY Compost: Aerobic and Anaerobic Decomposition
Activity
DIY Compost: Aerobic and Anaerobic Decomposition
What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.
Third Grade
Engineering and Science Inquiry
Activity
Dew Point, Humidity and Weather
Dew Point, Humidity and Weather
Activity
Dew Point, Humidity and Weather large image
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
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
Density Demonstration
Density Demonstration
Activity
Density Demonstration large image
Density Demonstration
Fourth Grade
Physical Science
Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!
Activity
Density Demonstration
Density Demonstration
Activity
Density Demonstration
Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!
Fourth Grade
Physical Science
Activity
Clay Landscape
Clay Landscape
Activity
Clay Landscape large image
Clay Landscape
Third Grade
Earth and Space Science
This clay "painting" activity encourages and supports creative development and critical thinking skills.
Activity
Clay Landscape
Clay Landscape
Activity
Clay Landscape
This clay "painting" activity encourages and supports creative development and critical thinking skills.
Third Grade
Earth and Space Science
Activity
Fastest Way to Cool a Soda
Fastest Way to Cool a Soda
Activity
Fastest Way to Cool a Soda large image
Fastest Way to Cool a Soda
Fourth Grade
Engineering and Science Inquiry
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Activity
Fastest Way to Cool a Soda
Fastest Way to Cool a Soda
Activity
Fastest Way to Cool a Soda
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Fourth Grade
Engineering and Science Inquiry
Activity
Using Mirrors in the Garden: Measuring Light Reflection
Using Mirrors in the Garden: Measuring Light Reflection
Activity
Using Mirrors in the Garden: Measuring Light Reflection large image
Using Mirrors in the Garden: Measuring Light Reflection
Fourth Grade
Engineering and Science Inquiry
Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!
Activity
Using Mirrors in the Garden: Measuring Light Reflection
Using Mirrors in the Garden: Measuring Light Reflection
Activity
Using Mirrors in the Garden: Measuring Light Reflection
Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!
Fourth Grade
Engineering and Science Inquiry
Activity
Make Homemade Glue!
Make Homemade Glue!
Activity
Make Homemade Glue! large image
Make Homemade Glue!
Third Grade
Physical Science
This surprisingly good glue recipe comes from common kitchen items.
Activity
Make Homemade Glue!
Make Homemade Glue!
Activity
Make Homemade Glue!
This surprisingly good glue recipe comes from common kitchen items.
Third Grade
Physical Science
Activity
Keep the Boat Afloat
Keep the Boat Afloat
Activity
Keep the Boat Afloat large image
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
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
Making Fake Snot!
Making Fake Snot!
Activity
Making Fake Snot! large image
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!
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
Duck Feet
Duck Feet
Activity
Duck Feet large image
Duck Feet
First Grade
Engineering and Science Inquiry
This science fair project idea investigates if webbed feet help a duck (and others) swim.
Activity
Duck Feet
Duck Feet
Activity
Duck Feet
This science fair project idea investigates if webbed feet help a duck (and others) swim.
First Grade
Engineering and Science Inquiry
Activity
Ice Cream Science
Ice Cream Science
Activity
Ice Cream Science large image
Ice Cream Science
First Grade
Physical Science
What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!
Activity
Ice Cream Science
Ice Cream Science
Activity
Ice Cream Science
What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!
First Grade
Physical Science
Activity
Work and Energy
Work and Energy
Activity
Work and Energy large image
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
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
How to use Colored Filters to Send Secret Messages
How to use Colored Filters to Send Secret Messages
Activity
How to use Colored Filters to Send Secret Messages large image
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
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
Transpiration Experiment
Transpiration Experiment
Activity
Transpiration Experiment large image
Transpiration Experiment
Third Grade
Engineering and Science Inquiry
In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.
Activity
Transpiration Experiment
Transpiration Experiment
Activity
Transpiration Experiment
In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.
Third Grade
Engineering and Science Inquiry
Activity
Flower Prints
Flower Prints
Activity
Flower Prints large image
Flower Prints
Kindergarten
Earth and Space Science
Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.
Activity
Flower Prints
Flower Prints
Activity
Flower Prints
Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.
Kindergarten
Earth and Space Science
Activity
Design a Great Glass Xylophone!
Design a Great Glass Xylophone!
Activity
Design a Great Glass Xylophone! large image
Design a Great Glass Xylophone!
Third Grade
Physical Science
Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.
Activity
Design a Great Glass Xylophone!
Design a Great Glass Xylophone!
Activity
Design a Great Glass Xylophone!
Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.
Third Grade
Physical Science
Activity
123