Weather
March 2, 2023
Cold Front Weather Science Experiment for Kids

Cold Front Weather Science Experiment for Kids

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Are you studying about weather for kids? This simple, but memorable weather science experiments will help kids understand that clouds behave like water since a cloud is made mostly of water. This easy weather science experiments is perfect for pre-k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, and 5th graders too. All you need are a few simple materials for this cloud experiment.

Are you studying about weather for kids? This simple, but memorable weather science experiments will help kids understand that clouds behave like water since a cloud is made mostly of water. This easy weather science experiments is perfect for pre-k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, and 5th graders too. All you need are a few simple materials for this cloud experiment.

Weather Science Experiments

Whether you are learning about clouds, seasons, weather, or spring storms – this fascinating cold front experiment is sure to leave a lasting impression! This quick and easy weather science experiments allows students to visually see what happens when a cold front and a warm front meet, just like they are always talking about on the Weather channel or weather segment of the evening news. This weather experiment is perfect for preschoolers, kindergartners, grade 1, grade 2, grade 3, grade 4, and grade 5 students. Homeschoolers, parents, and teachers alike will want to add this cloud experiment to their weather for kids unit.

weather forecast cold front means warm air lifting causing low pressure at front

Easy weather science experiments

A cloud front, or a big pile of clouds, behaves much like water in a cup since it is made up mostly of water.  I asked my kids what they thought happened when a pile of hot water hits a pile of cold water.  We hypothesized what would happen when these fronts would meet in the sky and in our science experiment with water.

Weather Science Projects

This is such an easy science experiment, but such a great one for allowing kids to visually see what happens. Here are the supplies you’ll need:

  • large clear plastic or glass container
  • measuring cup with 1-2 cups cold water with 5-7 ice cubes
  • measuring cup with 1-2 cups very HOT water
  • red and blue food coloring
  • piece of cardboard cut to fit the large container

weather experiments

Weather science for kids

We prepared the warm and cold water for our experiment. I added some snowflakes to the outside of the cold measuring cup to help kids visualize the blue was a cold front. It doesn’t really matter how much water you use as long as you use equal parts hot and gold in the large container and that they fit in the containers you have on hand.

Fill up the first container with COLD water, add blue food coloring and stir. Then add 5-7 ice cubes.  I used a similar sized glass for the hot water.  You can use water heated in a tea kettle or microwave it for 90 seconds. Then add red food coloring to the hot water.  As the food coloring moved through the water we talked about how the molecules in hot water are moving faster than in cold water, so the food coloring dissolves into the hot water faster also. Finally, I prepared our large container by cutting a piece of cardboard that would fit into the middle easily.  Remember you need the large container to be clear so you can see the colors moving through the sides.

Easy weather science experiments

Weather Experiments

Carefully pour the cold water into one side of the cardboard in your large container. Now pour the hot water into the other side of your hardboard.  The cardboard will keep them mostly separate.

Weather Science Projects

Quickly and carefully pull the cardboard out so the cold front meets the warm front.

Weather science for kids

At first you will notice where the cold and warm water meet some of the water, where the temperatures have equaled out together, will turn purple.

Cloud Experiment

Cloud Experiment

But at the sides, the water will swirl and settle with the cold water on bottom, the hot water on top, and a purple zone where they mixed in the middle! Remember the warm front moves to the top because warm air molucules move around; since they take up more space they are less dense than the cold air molecules, so the cold naturally settles down while the warmer molecules spread out and up.

When the fronts meet, it can be volatile and stormy.  So when we have cold weather with a quick rise in temperature or warm days with snap cold periods, that is when we get more storms and tornados. This is typically why stormy season is worse in the spring and fall, the border seasons!

air-presssure-science-projects-for-kids If you are ready to learn about the types of clouds, we have lots of fun cloud activities and cloud worksheets to add to your weather unit! Simply print the free cloud printables and you are ready to learn about, review, and make a cloud craft by making clouds with cotton balls. Get ready to play and learn wih these cloud activities for preschoolers, kindergartners, grade 1, grade 2, grade, and grade 4 students. We made a Lego Water Cycle to help kids visualize what we learned. We’ve made other water cycle crafts and my kids all loved them, but turning it into a lego activity for kids may have taken the cake! You've got to try this water cycle model that is fun AND educational too! This is a fun water cycle project for kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th graders too. Make learning about clouds for kids FUN with these engaging cloud activities. As children learn all about clouds for kids they will try the rain cloud experiment, cotton ball cloud activity for kids, grab the cloud printables, and make a cloud in a bottle. Use the cloud in a jar experiment with toddler, preschool, pre-k, kindergarten, first grade, and 2nd grade students. Whether you do all the cloud lesson or just the hugely popular rain experiment - this is sure to be a fun spring activity for kids! Homemade-Weather-Vane-and-Compass-Activity

Weather Activities for Kids

Learn all about weather with this fun week-long Weather theme! Your kids will enjoy learning about weather for kids with these weather activities. These weather activities for kids are fun for toddler, preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, and 4th graders. We've included weather printables, hands-on weather experiments for kids, cute weather crafts, and so much more! growing a rainbow capillary action experiment bubble-wrap-rain-craft-for-spring two simple water cycle activities to help you teach about water cycle for kids. These science projects help you teach your littles all about the water cycle on the earth. Start with the water cycle experiment which provides a great way to see how water turns to gas and back into a liquid again. Then try our water cycle craft to help kids to reinforce the water life cycle. These are both fun ways to learn about the water cycle for kindergarten, pre-k, first grade, 2nd grade, and 3rd grade science. 

Make teaching kids about weather fun and EASY with this free weather unit. These Weather Worksheets help kids explore a variety of weather topics as well as some weather themed worksheet for early math and literacy too. Use these free weather printables as preschool, 1st grade, 2nd, grade, 3rd grade, 4th grade and kindergarten weather worksheets. Simply print pdf file with weather worksheets for kids and you are ready to learn! Help kids understand the four seasons and how they relate to the months of the year with this super clever, free 4 seasons printables. This seasons printable is a fun, hands on way for preschool, pre-k, kindergarten, first grade, 2nd grade, and 3rd grade studets to learn what months are in fall, winter, spring, and summer. This seasons for kids activities make learning FUN! Simply print seasons worksheets for kindergarten pdf file with the seasons worksheet to color, cut and affix to learn the seasons of the year. Kids will enjoy learning more about the water cycle with these Water Cycle Worksheets. These water cycle printable pages include a water cycle diagram worksheet, pages to label, coloring pages, and more! Use these free science worksheets with kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, and 5th grade students.  Simply print water cycle worksheet pdf and you are ready to play and learn about the water cycle for kids. If you are teaching children about weather and clouds for kids, you will love this free printable cloud book for students to learn about the different types of clouds for kids. Simply print the kids clouds and you are ready to read, color and learn about different kinds of clouds. This what are the types of clouds reader is perfect for preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, and 4th graders too.

Weather Printables

Simple, but memorable EASY weather science experiments for kids to see what happens when a cold front meets a warm front.

Beth Gorden

Beth Gorden is the creative multi-tasking creator of 123 Homeschool 4 Me. As a busy homeschooling mother of six, she strives to create hands-on learning activities and worksheets that kids will love to make learning FUN! She has created over 1 million pages of printables to help teach kids ABCs, science, English grammar, history, math, and so much more! Beth is also the creator of 2 additional sites with even more educational activities and FREE printables – www.kindergartenworksheetsandgames.com and www.preschoolplayandlearn.com

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