SKIP TO CONTENT
All SubjectsScience
Subtopics:

Showing Results for adding subtracting unlike : Page 6

231 results
Search for: adding, subtracting, unlike
✕
Science
✕
Sort by:
231 results
Sort by:
How to Clean a Fish Tank
How to Clean a Fish Tank
Activity
How to Clean a Fish Tank large image
How to Clean a Fish Tank
Kindergarten
Engineering and Science Inquiry
Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.
Activity
How to Clean a Fish Tank
How to Clean a Fish Tank
Activity
How to Clean a Fish Tank
Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.
Kindergarten
Engineering and Science Inquiry
Activity
Heat Convection in Liquids
Heat Convection in Liquids
Activity
Heat Convection in Liquids large image
Heat Convection in Liquids
Fifth Grade
Measurement
In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.
Activity
Heat Convection in Liquids
Heat Convection in Liquids
Activity
Heat Convection in Liquids
In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.
Fifth Grade
Measurement
Activity
Practice Classification in Action
Practice Classification in Action
Activity
Practice Classification in Action large image
Practice Classification in Action
Life Science
Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.
Activity
Practice Classification in Action
Practice Classification in Action
Activity
Practice Classification in Action
Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.
Life Science
Activity
Have Fun With "Weird" Water
Have Fun With "Weird" Water
Activity
Have Fun With "Weird" Water large image
Have Fun With "Weird" Water
Kindergarten
Physical Science
Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.
Activity
Have Fun With "Weird" Water
Have Fun With "Weird" Water
Activity
Have Fun With "Weird" Water
Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.
Kindergarten
Physical Science
Activity
Design Challenge: Make a Rube Goldberg Machine
Design Challenge: Make a Rube Goldberg Machine
Activity
Design Challenge: Make a Rube Goldberg Machine large image
Design Challenge: Make a Rube Goldberg Machine
Third Grade
Engineering and Science Inquiry
In this hands-on design challenge your child will make their very own Rube Goldberg Machine.
Activity
Design Challenge: Make a Rube Goldberg Machine
Design Challenge: Make a Rube Goldberg Machine
Activity
Design Challenge: Make a Rube Goldberg Machine
In this hands-on design challenge your child will make their very own Rube Goldberg Machine.
Third Grade
Engineering and Science Inquiry
Activity
Build a Rainforest Terrarium
Build a Rainforest Terrarium
Activity
Build a Rainforest Terrarium large image
Build a Rainforest Terrarium
Measurement
A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.
Activity
Build a Rainforest Terrarium
Build a Rainforest Terrarium
Activity
Build a Rainforest Terrarium
A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.
Measurement
Activity
The Three Types Of Rocks!
The Three Types Of Rocks!
Lesson Plan
The Three Types Of Rocks! large image
The Three Types Of Rocks!
Fifth Grade
Earth and Space Science
Teach your students about different types of rocks and how they're formed, using objects that your class is familiar with.
Lesson Plan
The Three Types Of Rocks!
The Three Types Of Rocks!
Lesson Plan
The Three Types Of Rocks!
Teach your students about different types of rocks and how they're formed, using objects that your class is familiar with.
Fifth Grade
Earth and Space Science
Lesson Plan
Can You Keep a Secret?
Activity
Can You Keep a Secret?
Kindergarten
Engineering and Science Inquiry
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Activity
Can You Keep a Secret?
Activity
Can You Keep a Secret?
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Kindergarten
Engineering and Science Inquiry
Activity
Speedy Shoes
Speedy Shoes
Activity
Speedy Shoes large image
Speedy Shoes
Fifth Grade
Writing
Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.
Activity
Speedy Shoes
Speedy Shoes
Activity
Speedy Shoes
Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.
Fifth Grade
Writing
Activity
Cooking Oil Smoke Points
Cooking Oil Smoke Points
Activity
Cooking Oil Smoke Points large image
Cooking Oil Smoke Points
Fifth Grade
Measurement
Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.
Activity
Cooking Oil Smoke Points
Cooking Oil Smoke Points
Activity
Cooking Oil Smoke Points
Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.
Fifth Grade
Measurement
Activity
What Bacteria Can You Eat?
What Bacteria Can You Eat?
Activity
What Bacteria Can You Eat? large image
What Bacteria Can You Eat?
Engineering and Science Inquiry
Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!
Activity
What Bacteria Can You Eat?
What Bacteria Can You Eat?
Activity
What Bacteria Can You Eat?
Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!
Engineering and Science Inquiry
Activity
Cold Desert Plants
Cold Desert Plants
Activity
Cold Desert Plants large image
Cold Desert Plants
Third Grade
Engineering and Science Inquiry
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Activity
Cold Desert Plants
Cold Desert Plants
Activity
Cold Desert Plants
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Third Grade
Engineering and Science Inquiry
Activity
Take the Paper Plate Snack Test!
Take the Paper Plate Snack Test!
Activity
Take the Paper Plate Snack Test! large image
Take the Paper Plate Snack Test!
First Grade
Physical Science
Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.
Activity
Take the Paper Plate Snack Test!
Take the Paper Plate Snack Test!
Activity
Take the Paper Plate Snack Test!
Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.
First Grade
Physical Science
Activity
Learning Why and How to Compost
Learning Why and How to Compost
Activity
Learning Why and How to Compost large image
Learning Why and How to Compost
Second Grade
Earth and Space Science
Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.
Activity
Learning Why and How to Compost
Learning Why and How to Compost
Activity
Learning Why and How to Compost
Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.
Second Grade
Earth and Space Science
Activity
Explore Color Science with Grape Juice
Explore Color Science with Grape Juice
Activity
Explore Color Science with Grape Juice large image
Explore Color Science with Grape Juice
First Grade
Physical Science
Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.
Activity
Explore Color Science with Grape Juice
Explore Color Science with Grape Juice
Activity
Explore Color Science with Grape Juice
Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.
First Grade
Physical Science
Activity
Cleaning With Lemon Experiment
Cleaning With Lemon Experiment
Activity
Cleaning With Lemon Experiment large image
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
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
Water Soluble Science
Water Soluble Science
Lesson Plan
Water Soluble Science large image
Water Soluble Science
First Grade
Physical Science
Your students will enjoy this hands on lesson where they make simple solutions and mixtures. They will have an opportunity to predict and observe solids that dissolve in water.
Lesson Plan
Water Soluble Science
Water Soluble Science
Lesson Plan
Water Soluble Science
Your students will enjoy this hands on lesson where they make simple solutions and mixtures. They will have an opportunity to predict and observe solids that dissolve in water.
First Grade
Physical Science
Lesson Plan
If Starch is Composed of Sugar Why Isn't Starch Sweet?
If Starch is Composed of Sugar Why Isn't Starch Sweet?
Activity
If Starch is Composed of Sugar Why Isn't Starch Sweet? large image
If Starch is Composed of Sugar Why Isn't Starch Sweet?
Fifth Grade
Engineering and Science Inquiry
This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.
Activity
If Starch is Composed of Sugar Why Isn't Starch Sweet?
If Starch is Composed of Sugar Why Isn't Starch Sweet?
Activity
If Starch is Composed of Sugar Why Isn't Starch Sweet?
This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.
Fifth Grade
Engineering and Science Inquiry
Activity
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Activity
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat? large image
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Fourth Grade
Engineering and Science Inquiry
Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.
Activity
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Activity
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.
Fourth Grade
Engineering and Science Inquiry
Activity
Making Sugar Crystals
Activity
Making Sugar Crystals
Fifth Grade
Engineering and Science Inquiry
Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.
Activity
Making Sugar Crystals
Activity
Making Sugar Crystals
Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.
Fifth Grade
Engineering and Science Inquiry
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One? large image
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Second Grade
Engineering and Science Inquiry
In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.
Second Grade
Engineering and Science Inquiry
Activity
Supercooled Water
Supercooled Water
Activity
Supercooled Water large image
Supercooled Water
Fifth Grade
Measurement
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Activity
Supercooled Water
Supercooled Water
Activity
Supercooled Water
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Fifth Grade
Measurement
Activity
How Do Heat and Pressure Create Metamorphic Rocks?
How Do Heat and Pressure Create Metamorphic Rocks?
Activity
How Do Heat and Pressure Create Metamorphic Rocks? large image
How Do Heat and Pressure Create Metamorphic Rocks?
Fifth Grade
Engineering and Science Inquiry
In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.
Activity
How Do Heat and Pressure Create Metamorphic Rocks?
How Do Heat and Pressure Create Metamorphic Rocks?
Activity
How Do Heat and Pressure Create Metamorphic Rocks?
In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.
Fifth Grade
Engineering and Science Inquiry
Activity
Create a Clay Garden Relief Sculpture
Create a Clay Garden Relief Sculpture
Activity
Create a Clay Garden Relief Sculpture large image
Create a Clay Garden Relief Sculpture
First Grade
Earth and Space Science
Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.
Activity
Create a Clay Garden Relief Sculpture
Create a Clay Garden Relief Sculpture
Activity
Create a Clay Garden Relief Sculpture
Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.
First Grade
Earth and Space Science
Activity
Little Pig Algorithm
Little Pig Algorithm
Lesson Plan
Little Pig Algorithm large image
Little Pig Algorithm
Kindergarten
Engineering and Science Inquiry
Introduce students to the term algorithm using the familiar story of The Three Little Pigs. In this lesson, students will develop an algorithm, or a step-by-step sequence of instructions, for building a house made out of bricks.
Lesson Plan
Little Pig Algorithm
Little Pig Algorithm
Lesson Plan
Little Pig Algorithm
Introduce students to the term algorithm using the familiar story of The Three Little Pigs. In this lesson, students will develop an algorithm, or a step-by-step sequence of instructions, for building a house made out of bricks.
Kindergarten
Engineering and Science Inquiry
Lesson Plan
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
Activity
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates large image
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
Engineering and Science Inquiry
This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.
Activity
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
Activity
Oil Spills and Wildlife: The Effect of a Surface Lipid Layer on Organism Survival Rates
This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.
Engineering and Science Inquiry
Activity
How Do Oil Spills Affect the Environment?
How Do Oil Spills Affect the Environment?
Activity
How Do Oil Spills Affect the Environment? large image
How Do Oil Spills Affect the Environment?
Fifth Grade
Engineering and Science Inquiry
You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.
Activity
How Do Oil Spills Affect the Environment?
How Do Oil Spills Affect the Environment?
Activity
How Do Oil Spills Affect the Environment?
You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.
Fifth Grade
Engineering and Science Inquiry
Activity
Six Degrees of Separation
Six Degrees of Separation
Activity
Six Degrees of Separation large image
Six Degrees of Separation
Fifth Grade
Engineering and Science Inquiry
Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.
Activity
Six Degrees of Separation
Six Degrees of Separation
Activity
Six Degrees of Separation
Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.
Fifth Grade
Engineering and Science Inquiry
Activity
Wind Tunnel Experiment
Activity
Wind Tunnel Experiment
Engineering and Science Inquiry
In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.
Activity
Wind Tunnel Experiment
Activity
Wind Tunnel Experiment
In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.
Engineering and Science Inquiry
Activity
How to Make Salt Water Drinkable
How to Make Salt Water Drinkable
Activity
How to Make Salt Water Drinkable large image
How to Make Salt Water Drinkable
Engineering and Science Inquiry
This science fair project examines whether ocean water can be made safe to drink.
Activity
How to Make Salt Water Drinkable
How to Make Salt Water Drinkable
Activity
How to Make Salt Water Drinkable
This science fair project examines whether ocean water can be made safe to drink.
Engineering and Science Inquiry
Activity
1…5678