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
Subtopics:
Physical Science
Life Science
Earth and Space Science
Engineering and Science Inquiry
Computer Science
Show Less
Filters
Search for: how, when
✕
Science
✕
Early Childhood
✕
Activities
✕
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
Worksheets
Games
Lesson Plans
Interactive Worksheets
Workbooks
Activities
Stories
Offline Games
Occasion
Birthdays
Women's History Month
Spring
Earth Day
Mother's Day
Summer
Fall
Halloween
Winter
Holidays
Christmas
Black History Month
See more
Common Core
Yes
Arts & Crafts
Arts & Crafts
Fabric Projects
Paper & Glue Crafts
Construction & Sculpture
Painting & Drawing
Recycled Crafts
Recipes
Snacks
Sides
See More
Clear All
View 212 results
Showing Results for how when
212 results
Search for: how, when
✕
Science
✕
Early Childhood
✕
Activities
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
212 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
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
Do Some Liquids Expand More than Others When Frozen?
Activity
Do Some Liquids Expand More than Others When Frozen?
Kindergarten
Engineering and Science Inquiry
In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.
Activity
Do Some Liquids Expand More than Others When Frozen?
Activity
Do Some Liquids Expand More than Others When Frozen?
In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.
Kindergarten
Engineering and Science Inquiry
Activity
Does Time Really Pass By Faster When You're Having Fun?
Activity
Does Time Really Pass By Faster When You're Having Fun?
Kindergarten
Engineering and Science Inquiry
This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.
Activity
Does Time Really Pass By Faster When You're Having Fun?
Activity
Does Time Really Pass By Faster When You're Having Fun?
This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.
Kindergarten
Engineering and Science Inquiry
Activity
How to Clean a Fish Tank
Activity
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
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
How Does Pressure Change Minerals?
Activity
How Does Pressure Change Minerals?
Kindergarten
Engineering and Science Inquiry
In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.
Activity
How Does Pressure Change Minerals?
Activity
How Does Pressure Change Minerals?
In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.
Kindergarten
Engineering and Science Inquiry
Activity
How Sound Travels Through Air and Solids
Activity
How Sound Travels Through Air and Solids
Kindergarten
Physical Science
This classic children's game demonstrates how sound travels through air vs. through a solid.
Activity
How Sound Travels Through Air and Solids
Activity
How Sound Travels Through Air and Solids
This classic children's game demonstrates how sound travels through air vs. through a solid.
Kindergarten
Physical Science
Activity
Sun Print: How Solar Energy Creates Chemical Changes
Activity
Sun Print: How Solar Energy Creates Chemical Changes
Kindergarten
Engineering and Science Inquiry
In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.
Activity
Sun Print: How Solar Energy Creates Chemical Changes
Activity
Sun Print: How Solar Energy Creates Chemical Changes
In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.
Kindergarten
Engineering and Science Inquiry
Activity
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Activity
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Kindergarten
Measurement
Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!
Activity
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Activity
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!
Kindergarten
Measurement
Activity
Plant an Indoor Sponge Garden
Activity
Plant an Indoor Sponge Garden
Pre-K
Life Science
When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:
Activity
Plant an Indoor Sponge Garden
Activity
Plant an Indoor Sponge Garden
When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:
Pre-K
Life Science
Activity
How to Press Flowers
Activity
How to Press Flowers
Pre-K
Earth and Space Science
April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!
Activity
How to Press Flowers
Activity
How to Press Flowers
April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!
Pre-K
Earth and Space Science
Activity
How to Make Compost
Activity
How to Make Compost
Kindergarten
Life Science
Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!
Activity
How to Make Compost
Activity
How to Make Compost
Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!
Kindergarten
Life Science
Activity
How Do Mirrors Work?
Activity
How Do Mirrors Work?
Pre-K
Physical Science
This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.
Activity
How Do Mirrors Work?
Activity
How Do Mirrors Work?
This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.
Pre-K
Physical Science
Activity
How to Make a Sketchbook
Activity
How to Make a Sketchbook
Pre-K
Earth and Space Science
Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.
Activity
How to Make a Sketchbook
Activity
How to Make a Sketchbook
Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.
Pre-K
Earth and Space Science
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
How do Animals Help Seeds Travel?
Activity
How do Animals Help Seeds Travel?
Kindergarten
Engineering and Science Inquiry
This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.
Activity
How do Animals Help Seeds Travel?
Activity
How do Animals Help Seeds Travel?
This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.
Kindergarten
Engineering and Science Inquiry
Activity
Light Reflection
Activity
Light Reflection
Pre-K
Physical Science
What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.
Activity
Light Reflection
Activity
Light Reflection
What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.
Pre-K
Physical Science
Activity
Animal Tracks and Types of Soil
Activity
Animal Tracks and Types of Soil
Kindergarten
Engineering and Science Inquiry
Learn how different types of soil affect how animal tracks form in this experiment!
Activity
Animal Tracks and Types of Soil
Activity
Animal Tracks and Types of Soil
Learn how different types of soil affect how animal tracks form in this experiment!
Kindergarten
Engineering and Science Inquiry
Activity
Play Camouflage Match-Up!
Activity
Play Camouflage Match-Up!
Kindergarten
Life Science
When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!
Activity
Play Camouflage Match-Up!
Activity
Play Camouflage Match-Up!
When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!
Kindergarten
Life Science
Activity
Create an Ocean in a Bottle
Activity
Create an Ocean in a Bottle
Kindergarten
Earth and Space Science
Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.
Activity
Create an Ocean in a Bottle
Activity
Create an Ocean in a Bottle
Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.
Kindergarten
Earth and Space Science
Activity
Pollution Experiment
Activity
Pollution Experiment
Kindergarten
Earth and Space Science
Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.
Activity
Pollution Experiment
Activity
Pollution Experiment
Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.
Kindergarten
Earth and Space Science
Activity
Learn How to Make Bread from Yeast Dough
Activity
Learn How to Make Bread from Yeast Dough
Pre-K
Science
Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.
Activity
Learn How to Make Bread from Yeast Dough
Activity
Learn How to Make Bread from Yeast Dough
Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.
Pre-K
Science
Activity
Light and Mirrors
Activity
Light and Mirrors
Pre-K
Physical Science
How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.
Activity
Light and Mirrors
Activity
Light and Mirrors
How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.
Pre-K
Physical Science
Activity
Growing Jack-o'-Lantern
Activity
Growing Jack-o'-Lantern
Pre-K
Physical Science
In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.
Activity
Growing Jack-o'-Lantern
Activity
Growing Jack-o'-Lantern
In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.
Pre-K
Physical Science
Activity
Outdoor Oven
Activity
Outdoor Oven
Pre-K
Measurement
In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:
Activity
Outdoor Oven
Activity
Outdoor Oven
In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:
Pre-K
Measurement
Activity
How Well Does Sound Travel Through a Gas? A Liquid? A Solid?
Activity
How Well Does Sound Travel Through a Gas? A Liquid? A Solid?
Kindergarten
Physical Science
In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.
Activity
How Well Does Sound Travel Through a Gas? A Liquid? A Solid?
Activity
How Well Does Sound Travel Through a Gas? A Liquid? A Solid?
In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.
Kindergarten
Physical Science
Activity
Fossil Cookies
Activity
Fossil Cookies
Kindergarten
Earth and Space Science
With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.
Activity
Fossil Cookies
Activity
Fossil Cookies
With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.
Kindergarten
Earth and Space Science
Activity
Make Your Own Fairy Potion
Activity
Make Your Own Fairy Potion
Pre-K
Physical Science
What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.
Activity
Make Your Own Fairy Potion
Activity
Make Your Own Fairy Potion
What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.
Pre-K
Physical Science
Activity
Make a Water Well!
Activity
Make a Water Well!
Pre-K
Engineering and Science Inquiry
Here's a simple science activity that will help your child better understand how wells bring us water.
Activity
Make a Water Well!
Activity
Make a Water Well!
Here's a simple science activity that will help your child better understand how wells bring us water.
Pre-K
Engineering and Science Inquiry
Activity
Explore the Senses with a Sensory Table!
Activity
Explore the Senses with a Sensory Table!
Pre-K
Handwriting
In almost every preschool classroom is a sensory table. Learn how to make one at home!
Activity
Explore the Senses with a Sensory Table!
Activity
Explore the Senses with a Sensory Table!
In almost every preschool classroom is a sensory table. Learn how to make one at home!
Pre-K
Handwriting
Activity
Shaving Cream Paintings
Activity
Shaving Cream Paintings
Kindergarten
Life Science
Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.
Activity
Shaving Cream Paintings
Activity
Shaving Cream Paintings
Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.
Kindergarten
Life Science
Activity
1
2
3
4
…
8