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: two, digit, old
✕
Science
✕
Elementary School
✕
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
Worksheets
Lesson Plans
Interactive Worksheets
Activities
Offline Games
Occasion
Earth Day
Halloween
Holidays
Christmas
Common Core
Yes
Game Type
Outdoor Games
Arts & Crafts
Arts & Crafts
Paper & Glue Crafts
Construction & Sculpture
Painting & Drawing
Recipes
Snacks
See More
Clear All
View 519 results
Showing Results for two digit old
519 results
Search for: two, digit, old
✕
Science
✕
Elementary School
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
519 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Activity
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?
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
The Rings of Saturn: A Scale Model
Activity
The Rings of Saturn: A Scale Model
Third Grade
Alphabet
Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!
Activity
The Rings of Saturn: A Scale Model
Activity
The Rings of Saturn: A Scale Model
Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!
Third Grade
Alphabet
Activity
What Happens When Oil and Water Get Together?
Activity
What Happens When Oil and Water Get Together?
Kindergarten
Physical Science
In this science fair project, young children discover what happens when two fluids that have different densities get together.
Activity
What Happens When Oil and Water Get Together?
Activity
What Happens When Oil and Water Get Together?
In this science fair project, young children discover what happens when two fluids that have different densities get together.
Kindergarten
Physical Science
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
Fossils Worksheets: Dig It! #2
Worksheet
Fossils Worksheets: Dig It! #2
Second Grade
Earth and Space Science
Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.
Worksheet
Fossils Worksheets: Dig It! #2
Worksheet
Fossils Worksheets: Dig It! #2
Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.
Second Grade
Earth and Space Science
Worksheet
Inspire Simple STEAM Exploration
Activity
Inspire Simple STEAM Exploration
Kindergarten
Engineering and Science Inquiry
Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.
Activity
Inspire Simple STEAM Exploration
Activity
Inspire Simple STEAM Exploration
Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.
Kindergarten
Engineering and Science Inquiry
Activity
Sorting Out the Scientific Method #2
Interactive Worksheet
Sorting Out the Scientific Method #2
Fifth Grade
Physical Science
Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.
Interactive Worksheet
Sorting Out the Scientific Method #2
Interactive Worksheet
Sorting Out the Scientific Method #2
Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.
Fifth Grade
Physical Science
Interactive Worksheet
What Attracts Fruit Flies?
Activity
What Attracts Fruit Flies?
Second Grade
Engineering and Science Inquiry
In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.
Activity
What Attracts Fruit Flies?
Activity
What Attracts Fruit Flies?
In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.
Second 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
Which Plants Can Resist Walnut Tree Allelopathy?
Activity
Which Plants Can Resist Walnut Tree Allelopathy?
Fifth Grade
Engineering and Science Inquiry
This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.
Activity
Which Plants Can Resist Walnut Tree Allelopathy?
Activity
Which Plants Can Resist Walnut Tree Allelopathy?
This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.
Fifth Grade
Engineering and Science Inquiry
Activity
Popcorn Pumice: Exploring Different Rock Densities
Activity
Popcorn Pumice: Exploring Different Rock Densities
Third Grade
Engineering and Science Inquiry
In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.
Activity
Popcorn Pumice: Exploring Different Rock Densities
Activity
Popcorn Pumice: Exploring Different Rock Densities
In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.
Third Grade
Engineering and Science Inquiry
Activity
The Speed of Sound on a String
Activity
The Speed of Sound on a String
Kindergarten
Physical Science
This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.
Activity
The Speed of Sound on a String
Activity
The Speed of Sound on a String
This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.
Kindergarten
Physical Science
Activity
Scale Model of the Solar System
Activity
Scale Model of the Solar System
Fourth Grade
Ratios and Proportions
In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!
Activity
Scale Model of the Solar System
Activity
Scale Model of the Solar System
In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!
Fourth Grade
Ratios and Proportions
Activity
Do Packaged Seeds Expire?
Activity
Do Packaged Seeds Expire?
Fourth Grade
Engineering and Science Inquiry
Find out whether packaged seeds actually do expire in this new science fair project idea.
Activity
Do Packaged Seeds Expire?
Activity
Do Packaged Seeds Expire?
Find out whether packaged seeds actually do expire in this new science fair project idea.
Fourth Grade
Engineering and Science Inquiry
Activity
Does Age Affect Memory?
Activity
Does Age Affect Memory?
Fifth Grade
Engineering and Science Inquiry
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Activity
Does Age Affect Memory?
Activity
Does Age Affect Memory?
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Fifth Grade
Engineering and Science Inquiry
Activity
True or False? The Lying Experiment
Activity
True or False? The Lying Experiment
Fifth Grade
Engineering and Science Inquiry
This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.
Activity
True or False? The Lying Experiment
Activity
True or False? The Lying Experiment
This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.
Fifth Grade
Engineering and Science Inquiry
Activity
Does Hot Water Boil Faster Than Cold?
Activity
Does Hot Water Boil Faster Than Cold?
Second Grade
Engineering and Science Inquiry
Discover whether cold or hot water from the faucet will boil faster on the stove.
Activity
Does Hot Water Boil Faster Than Cold?
Activity
Does Hot Water Boil Faster Than Cold?
Discover whether cold or hot water from the faucet will boil faster on the stove.
Second Grade
Engineering and Science Inquiry
Activity
Baking Soda and Vinegar Balloon
Activity
Baking Soda and Vinegar Balloon
Third Grade
Measurement
How powerful is the reaction between baking soda and vinegar? Find out here!
Activity
Baking Soda and Vinegar Balloon
Activity
Baking Soda and Vinegar Balloon
How powerful is the reaction between baking soda and vinegar? Find out here!
Third Grade
Measurement
Activity
Counting Tree Rings
Activity
Counting Tree Rings
Fourth Grade
Engineering and Science Inquiry
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Activity
Counting Tree Rings
Activity
Counting Tree Rings
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Fourth Grade
Engineering and Science Inquiry
Activity
The Ghost in the Tube
Activity
The Ghost in the Tube
First Grade
Engineering and Science Inquiry
In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.
Activity
The Ghost in the Tube
Activity
The Ghost in the Tube
In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.
First 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
Become a "Coin Archaeologist"
Activity
Become a "Coin Archaeologist"
Kindergarten
Data and Graphing
Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.
Activity
Become a "Coin Archaeologist"
Activity
Become a "Coin Archaeologist"
Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.
Kindergarten
Data and Graphing
Activity
Surface Features of the Moon Model
Activity
Surface Features of the Moon Model
Fifth Grade
Engineering and Science Inquiry
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Activity
Surface Features of the Moon Model
Activity
Surface Features of the Moon Model
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Fifth Grade
Engineering and Science Inquiry
Activity
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
Activity
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
Fourth Grade
Life Science
What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.
Activity
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
Activity
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.
Fourth Grade
Life Science
Activity
Composting Food Scraps
Activity
Composting Food Scraps
Fifth Grade
Engineering and Science Inquiry
The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.
Activity
Composting Food Scraps
Activity
Composting Food Scraps
The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.
Fifth Grade
Engineering and Science Inquiry
Activity
Speedy Snail Race
Activity
Speedy Snail Race
First Grade
Engineering and Science Inquiry
This science experiment has students test whether a snail moves faster on concrete or dirt.
Activity
Speedy Snail Race
Activity
Speedy Snail Race
This science experiment has students test whether a snail moves faster on concrete or dirt.
First Grade
Engineering and Science Inquiry
Activity
Best Fertilizer: The Effects of Fertilizer on Plant Growth
Activity
Best Fertilizer: The Effects of Fertilizer on Plant Growth
Fourth Grade
Engineering and Science Inquiry
What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.
Activity
Best Fertilizer: The Effects of Fertilizer on Plant Growth
Activity
Best Fertilizer: The Effects of Fertilizer on Plant Growth
What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.
Fourth Grade
Engineering and Science Inquiry
Activity
Using Garden Mulch to Make a Bug Zoo
Activity
Using Garden Mulch to Make a Bug Zoo
Kindergarten
Engineering and Science Inquiry
In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.
Activity
Using Garden Mulch to Make a Bug Zoo
Activity
Using Garden Mulch to Make a Bug Zoo
In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.
Kindergarten
Engineering and Science Inquiry
Activity
Using Mirrors in the Garden: Measuring Light Reflection
Activity
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
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
Can Dog Drool Kill Germs?
Activity
Can Dog Drool Kill Germs?
Fourth Grade
Engineering and Science Inquiry
This science experiment tests if dog saliva can really help heal wounds.
Activity
Can Dog Drool Kill Germs?
Activity
Can Dog Drool Kill Germs?
This science experiment tests if dog saliva can really help heal wounds.
Fourth Grade
Engineering and Science Inquiry
Activity
1
2
3
4
…
18