Valentine's Day is fast approaching; whether you celebrate or not, you will LOVE this collection of Valentine's Day Science ExperimentsMake a Skittles heart, a paper airplane delivery system, color-changing love potions, and more!
Valentine's Day Science Experiments
heart patterns
First up are the super simple heart patterns. Cut out hearts in different colors and sizes and use them to make heart patterns. If you want to mix it up, add some flower shapes too!
Heart shapes are also great for practicing cutting and those important things. fine motor skills.
Make a fizzy love potion
These Color changing love potions They are fantastic and fun. Using the red cabbage indicator means that the color of the potion changes when an acid or alkali is added!
The potions below are made with red and pink food coloring, baking soda, vinegar, and purple cabbage indicator.
Explode a heart
Try blowing up a heart-shaped balloon or even a heart-shaped balloon using the fizzing power of an effervescent tablet or baking soda and vinegar.
The reaction between the effervescent vitamin tablet and water produces carbon dioxide gas, which fills the bottle and then the balloon, causing it to inflate.
Colorful Valentine's Day flowers
Create beautiful flowers for your Valentine's Day with this super simple transpiration experimentAll you need to do is buy some white flowers and place them in a mixture of food coloring and water for a few hours. The petals change color as the colored water travels up the stem to the petals!
Breathing pizza
Anyone want a heart shaped pizza? This is a great activity to learning about breathing How to use yeast to make dough rise.
How fast does your heart beat?
Learning about heart rate and how it changes with exercise with a simple investigation of heart rate.
Where is the heart?
Ask the children to draw around them on a large sheet of paper and draw your heart in the right place.
Make your own stethoscope
Making a stethoscope and hear a friend's heartbeat. Spiderman costume optional!
Pumping heart model
Older children can do something clever. pumping heart modelThis is a great way to demonstrate how heart valves work.
Valentine's Day Candy Science
make a beautiful colorful heart with bowling pins or M&M's. Create a pattern on a white plate or tray and pour warm water over it. The color of the Skittles spreads through the water, creating a rainbow effect.
And how about building a candy tower using Valentine's Day candy and toothpicks?
Secret Valentine's Day Messages
Send a message with flowers
Write a message inside a paper flower, fold the petals and then place them in water to see the message appear.
Messages with lemon juice.
Did you know you can write? secret messages with lemon or lime juice?
Amazon.com Widgets
scratch art images
We had a lot of fun doing it scratch art canvas paintings Oil pastels work great for this activity, as the black oil pastel provides a thick layer that can be scraped off easily.
Once you have created your secret message, create a delivery system for it. This can be a paper airplane, a parachute, zip line or even a motorized car.
Little Bins for Little Hands has some lovely items crystal hearts to do and a beautiful Heart shaped lava lamp.
Red Ted Art has some Brilliant Valentine's Day Resources Also for teachers and parents.
Don't forget to check out my Valentine's Day STEM Challengesalso!
Have more Science ideas for Valentine's Day for us?
If you didn't find what you were looking for here, check out my other Easy science experiments!
Last updated on February 6, 2024 by Emma Vanstone
