Top 25 Science Experiments For Kindergarten And Kids

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As a mom, you probably spend a lot of time helping your kid with studies and looking for interesting ways to make her learn. Does your kid love studying about science, or is it always a struggle? Have you managed to instill a love of the subject in your kid or are you looking for fun and easy ways to spark an interest in your future scientist?

Your kindergartener is at an age where almost everything seems exciting and magical. It comes as no surprise that experts reckon it’s the best age to introduce preschoolers to the amazing world of science. Although, it may seem early, but studies show that the kindergarten years can be a good base for developing a child’s interest in any subject.

So, if you would like to try a few science experiments for kindergarten and young kids, read our post below: These fun activities are perfect for kids to learn and enjoy science.

Top 10 Science Experiments For Kindergarten

Here are some interesting science experiments to break your preschooler boredom.

1. Sink Or Float:

  • Write ‘sink’ and ‘float’ on a piece of paper and make two columns.
  • Ask your kindergartener to collect different objects from around the house, such as pins, rubber ties, paper, pens, spoons and such.
  • Make sure your kid knows the meaning of both the words ‘sink’ and ‘float.’
  • Fill a pan with water and ask your kid to put the objects in the water one by one. See which ones float and which ones sink and write them down on the paper. It can be one of the best and interesting science activities for kindergarten.

Science: Heavy objects will sink while the lighter ones will float.

2. Bean Sprout:

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  • Show your kid a few bean seeds let him inspect the hard shells.
  • Ask your kid to dampen a few paper towels and place them on a cookie sheet. Place the bean seeds and cover them with some more damp paper towels. Keep the cookie sheet in mild sunlight.
  • Ask your kid to check the seed daily and add sprinkle some water on the paper towels.
  • In about five to six days, the beans will sprout. This is an easy science experiment for kindergarten that can be done using simple ingredients found around your house.

Science: Sunlight, air, and water will help a plant to grow.

3. Bottled Waves:

  • Help your kid fill up a bottle with two-thirds castor oil and the rest with water.
  • Add some food coloring and close the lid.
  • Let your kid turn the bottle from side to side and see how the water forms waves.

Science: As the earth rotates on the axis, the gravitational pull leads to waves.

4. Floating Egg:

  • Let your kid pour water in a glass till halfway.
  • Add about six tablespoons of salt and stir well.
  • Help your kid pour more water into the glass until it is almost full. Remember to add the water gently.
  • Now submerge the egg in the water, and see how it floats.

Science: Salt will make the water dense and make it easier for the egg to float.

5. Invisible Writing:

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  • Let your kid add some drops of dishwashing detergent in a cup of water and stir it.
  • Your kid can dab a cotton swab in the mix and make a drawing or writing on a bathroom mirror.
  • At bath time, as the bathroom gets foggy, the message on the mirror will become visible. Invisible writing is one of the easy science experiments for kindergarten that will help them to wonder about the science.

Science: The dishwashing detergent will prevent water molecules from forming on the mirror and let the message be seen.

Free Worksheets and Printables for Kids

6. Magnet Play:

  • Ask your kid to collect some items from around the house and gather them around a magnet.
  • Let them see which ones are pulled in by the magnet and which ones aren’t.

Science: A magnet will pull anything that is made of iron, nickel, and some other metals.

7. Color Play:

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  • Fill three glass bowls with water and add red, yellow and blue food coloring.
  • Show your kid how to mix the colors one by one to see how new colors form. This is one of the best science experiments for kindergarten students.

Science: Red, blue and yellow are primary colors that can help to create more colors.

8. Ice Cool:

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  • Ask your kid to fill some plastic cups with water and place a lid on one cup.
  • Place all cups on a plate and freeze overnight.
  • Get him to check the cups in the morning and see if the cups are cracked. Ice cool activity is one of the bets fun science experiments for kindergarten that can be tried at home.

Science: When water freezes, it expands and can lead to cracks in the cups.

9. Hearing Balloon:

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  • Inflate a balloon and place it next to your kid’s ear. Tap gently.

Science: When the balloon is inflated, the air molecules inside will move close to each other and increase the sound waves.

10. Magic Paint:

  • Help your kid pour some whole milk into a petridish or shallow bowl.
  • Add some food coloring drops to the milk.
  • Dip a toothpick into some dish soap and disrupt the color droplets.
  • Continue to dip the toothpick and swirl the colors around.

Science: The soap disrupts the surface tension of the milk, pushing the color away from the toothpick.

15 Best Science Experiments For Kids:

Here are some simple science experiments that your kid can easily do at home and learn more about the subject and its concepts. You can perform these experiments with preschoolers as well as older kids. Make sure you are around and do not leave your kid unattended though and ask your kid to do the following steps.

11. Homemade Volcano

You Will Need:

  • A 500 ml empty plastic bottle
  • A funnel
  • 2 measuring cups
  • 1 cup of baking soda
  • 1 cup of vinegar
  • 1 tsp of liquid dishwashing soap
  • Food coloring
  • Glitter

How To:

  1. Put the bottle at the bottom of a sink and place the funnel in it.
  1. Pour baking soda in the bottle through the funnel.
  1. In the measuring cup, add the soap, food color and vinegar.
  1. Add some glitter on the funnel on top of the baking soda and pour the vinegar mix on top. The volcano will erupt from the bottle.

These are some fun science experiments for kids to learn and enjoy at the same time.

12. Rock Candy

You Will Need:

  • A 15 cm long piece of string
  • A pencil
  • A paper clip
  • A cup of water
  • A glass jar
  • 2 cups of sugar

How To:

  1. Tie the string around the middle part of the pencil and tie the paper clip at the end of the string.
  1. Place the pencil on the top of the jar in such a way that the string is inside the jar. Make sure the string does not touch the bottom or sides of the jar, and if it does, roll it around the pencil a little more. It will help you understand how much string needs to be rolled. Once you know the exact measurement, remove it from the jar and keep aside.
  1. Boil the water and add ¼thcup of sugar. Keep stirring till it dissolves. Once it dissolves, add another ¼th cup of sugar and stir till it dissolves. Keep doing this till the sugar is finished, but make sure you first dissolve the sugar and then add the fresh one.
  1. Pour the sugar solution inside the jar and fill it to the top. Now place the paper clip and the string in the sugar mix in such a way that the string is positioned in the middle of the jar.
  1. Let it cool and stay undisturbed for about a week, after which the crystal candy will be ready.

13. Edible Bubbles With Apple

You Will Need:

  • Apple
  • Any fruit juice or even water
  • Milk
  • Straw

How To:

  1. Cut the top off the apple and empty out the cores.
  1. Put one or two tbsp. of juice or water in the apple and ask your kid to blow the bubbles. These will pop out very soon.
  1. Next, ask your kid add one to two tbsp. of milk inside the apple and ask your kid to blow the bubbles. Your kid will be amazed at the large number of bubbles that will be created as compared to earlier.

[ Read: Apple Information For Kids ]

14. Can The Plant Find The Light

You Will Need:

  • A shoebox
  • Some pieces of cardboard
  • A pair of scissors
  • Tape
  • A bean plant

How To:

  1. Cut out a huge hole at the bottom of the shoebox. If there are any other cracks in the box through which light can shine in, tape them up.
  1. Cut out two pieces of cardboard and tape them inside the box on either side. Make sure there is a little space between the two.
  1. Put the shoebox in such a way that the hole is on the top. Now water the plant and place inside.
  1. Close the box using tape and place it on a sunny windowsill. Let it sit for about four or five days before opening. The plant will have traveled upwards towards the source of the light.

Can the Plant Find The Light is one of the cheap science experiments for kids.

15. Make An Egg Without A Shell

You Will Need:

  • 16 ounces vinegar
  • 2 glasses
  • Raw eggs

How To:

  1. Slowly place the egg inside the glass and fill it with vinegar to cover it completely.
  1. It can take about 12 to 24 hours for the shell of the egg to dissolve away.
  1. Take the egg out the next day by gently tilting the glass to pour out the liquid.
  1. All you will be left with is a naked egg without a shell.

    [ Read: Egg Carton Crafts For Kids ]

16. Cloud In A Bottle

You Will Need:

  • A mason jar or glass jar
  • A pot of boiling water
  • Tongs or a hot pad

How To:

  1. Hold the jar with the help of the tongs or heating pad and tip it over the boiling water in an upside down position.
  1. The water will start entering the jar as cloud and will collect around the walls.
  1. Let your kid see the real cloud and see how it vanishes soon.

17. Hand Warmer

You Will Need:

  • Jelly crystals
  • Water
  • Zipper lock bag
  • Small cup
  • Iron filing
  • Calcium chloride

How To:

  1. Add about 9 oz. of water in the cup and place a scoop of jelly crystals inside. Wait till the crystals grow to their maximum size, by when the water will be completely absorbed.
  1. Add 4 tbsp. of the grown jelly to the zipper lock bag. Next, add 1 tbsp. Iron filing and 1 ½ tbsp. Calcium chloride in the bag.
  1. Squish the bag from the outside to make sure that the contents are properly mixed. Close the zipper.
  1. Shake the bag so that the contents mix up some more. It will soon start giving off heat.

18. Mix Oil And Water

You Will Need:

  • A small empty and see-through bottle of soft drink
  • Water
  • Food coloring
  • 2 tbsp. cooking oil
  • Dish washing liquid

How To:

  1. Add some food coloring to the water. Pour 2 tbsp. of this water and 2 tbsp. of cooking oil in the bottle.
  1. Close the lid and give it a shake.
  1. Place the bottle back down and see the oil float up to the top.

This is one of the free science experiments for kids where water and oil is easily available at home or school.

19. Create Static Electricity

You Will Need:

  • 1 inflated balloon along with string
  • Aluminum can
  • Woolen fabric

How To:

  1. Rub the balloons against the woolen fabric and rub it against your hair while standing in front of a mirror. Gently pull the balloon away. You will notice your hair sticking to the balloon and moving along with it.
  1. Place the aluminum can on its side on a firm surface and rub the balloon again on your hair. Now take it near the can but don’t touch it. The can will start rolling towards the balloon.

[ Read: Electrical Safety For Kids ]

20. Homemade Plastic

You Will Need:

  • 1 tsp laundry borax
  • 1 tbsp. white glue
  • Food coloring
  • 2 cups
  • Water
  • Spoon

How To:

  1. Mix laundry borax with 5 tbsp. water in a cup and keep stirring till it dissolves.
  1. Add 1 tbsp. water and the white glue in the other cup and add a few drops of food coloring. Stir it with a spoon till it mixes properly.
  1. Take 2 tbsp. of borax solution from the other cup and add it to the glue mix. Give it a stir.
  1. While stirring, it will slowly start to turn to a lumpy texture. You can take it out and feel in your hands, it will feel like plastic.

21. Grow Your Bacteria

You Will Need:

  • A petrie dish of agar
  • Cotton buds
  • Old newspaper

How To:

  1. Prepare the petrie dish of agar and swab the cotton bud on any surface area around your house.
  1. Now rub the swab on the agar, then close the lid and seal the dish.
  1. Let it stay undisturbed in a warm and moist area for about three days.
  1. Let your kid open the dish and see the growth of the bacteria. For the next trial, try using the swab on your kid’s skin and see how the bacteria grows.

22. Glow In The Dark Water

You Will Need:

  • A black light
  • Highlighter pen
  • A dark room
  • Water

How To:

  1. Break open the highlighter pen, take the felt off and soak it in a little bit of water for a few minutes.
  1. Make sure that the room is dark. Now turn on the black light near the water and see how it will glow.

23. Make A Dry Ice Bubble

You Will Need:

  • Water
  • A strip of cloth
  • A big bowl with a lip on the top
  • Soapy mix to make bubbles
  • Dry ice

How To:

  1. Put lots of dry ice in the bowl and add a little water. You will notice fumes coming out of the bowl.
  1. Soak the strip of cloth in the soapy mix and run it around the lip and the top of the bowl to help form a layer of bubble over the dry ice.
  1. The bubble will keep growing.

[ Read: Bubble Wrap Crafts For Kids ]

24. Make A Fizzy Lemon Drink

You Will Need:

  • Drinking glass
  • Lemon
  • Water
  • 1 tsp of baking soda
  • Sugar as per taste

How To:

  1. Squeeze out all the juice from the lemon and pour it into the glass.
  1. Add an equal amount of water in the glass and add the tsp of baking soda. Stir it nicely.
  1. Add a little sugar if you wish. You will notice that the drink is fizzy and not just plain lemon water.

25. Touching A Bubble With A Straw

You Will Need:

  • Glycerin
  • Water
  • A small clear dish
  • A blower to blow out the bubbles
  • Straw

How To:

  1. Mix the glycerin and water to make the liquid that will create the bubbles.
  1. Pour it in a dish and let the blower soak in it for a few seconds. Soak the straw in the liquid as well.
  1. Ask your kid to blow out the bubbles and try to touch it with their finger. The bubble will burst.
  1. Next, ask your kid to blow out the bubbles and use a straw to gently touch it. Your kid will be surprised to see that the straw will go through the bubble without making it burst.

Science can be a super fun and cool subject that allows your kids to experience, experiment, and learn. Make sure you are always around and your kids conduct all experiments under constant adult supervision.

Try these fun science activities and experiments at home, and witness how your kindergartener falls in love with science. Do you have any ideas for science experiments? Tell us here. Leave a comment below.

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