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Home » Science Experiments for Kids » Going Fishing – Ice Experiment for Kids

Going Fishing – Ice Experiment for Kids

Modified: Jan 20, 2025 · Published: Apr 19, 2020 by Emma Vanstone · This post may contain affiliate links · 4 Comments

This ice experiment for kids uses little fishing rods with toy fish frozen in ice on the end. The activity investigates whether ice melts faster in warm or cold water.

Younger children love the idea of fishing and seeing the toy fish fall off the stick. If you have an older child, this is an excellent experiment for learning how to work scientifically as they can start to think about which variables to change and which to keep the same.

children doing an ice fishing experiment

Ice Experiment for Kids

What you need to go ice fishing

2-3 large tubs

Water – warm and cold

Plastic fish – we used these Learning Resources Fun Fish Counters

Sticks

String

Ice cube tray

Timer

How to go ice fishing

Place water inside ice cube trays with fish ( or other small objects ). Add a piece of string to each compartment. Make sure the string doesn’t end up in more than one section, as some of ours stuck together.

ice experiment for kids - toy fish frozen in an ice cube tray
Ice Experiment

Once frozen, remove carefully and tie each ice cube to a stick.

Add warm water to one tub and cold water to another. Ask the children to feel the water ( make sure it’s not too hot ) and predict which will melt the ice the fastest.

Girls ice fishing

Place one fishing rod into each tub and start the timer.

Observe the changes to the ice every 30 seconds; how soon can you see the difference between the ice in the warm and ice in the cold water?

Watch for the fish falling out of the ice and record the time.

Fun ice experiment for preschoolers

Compare the results with your predictions.

results of an ice experiment for kids

Questions to ask

How does the ice change over time?

How can you tell which ice cube is melting the fastest?

What can you do to speed up the ice melting?

Extension Activities

Can you try using hot, warm and cold water, recording all the times taken for the ice to melt?

Are the results different if you carry out the activity outside?

Can you design a table for recording your results?

Measure the temperature of the water. Does it drop as the ice melts? How big is the temperature difference?

Things to think about

How can we make this experiment more accurate?

  • We should make sure precisely the same amount of water is in each ice cube and that the fish are the same size.
  • Do you know what the variables and constant factors are?

Storybook ideas

As soon as we finished this activity, my girls started reciting Tiddler, which then led to some fun storytelling and counting with the fish counters.

Ice Fishing STEM Challenge
Instructions for an ice fishing experiment for learning about changes of state, freezing and melting.

More Ice Experiments for Kids

Painting on ice is great fun as you can paint a picture, wipe it clean and start again!

Set up an ice excavation! The best thing about these is that you can theme them to match a child’s interest.

Ice fishing is also one of my Tray a Day activities. The idea is that you set up a tray of materials and let the kids set up the investigation ( with adult supervision).

ice fishing - Tray a DayA red tray with an ice cube tray, plastic small fish and a stick with a small piece of string attached inside
fun ice experiment for kids. Freeze small plastic fish in an ice cube container with string, attach to a stick and fish in warm and cold water #iceexperiments #scienceforkids #preschoolscienceexperiments

Includes affiliate links.

Science concepts

  • Changes of state
  • Melting
  • Freezing
Freeze plastic fish in ice with string and tie a stock to the end to make fishing rod. Time how long it takes to melt each ice in different temperature water #icefishing #iceexperiments #scienceforkids #winterscience

Last Updated on January 20, 2025 by Emma Vanstone

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Safety Notice

Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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