101 Cheap and Easy Science Projects—your go-to guide for fun, educational experiments that won’t cost you an arm and a leg. Whether you’re a student, parent, or teacher, this collection is packed with hands-on science activities that are simple to set up, budget-friendly, and designed to spark curiosity.
Many of these projects use everyday items you likely already have around the house, making it easier than ever to dive into the wonders of science without a trip to the store. Get ready to learn, explore, and experiment—without breaking the bank!
Evaporation Olympics: Which Liquid Disappears Fastest?
Evaporation Olympics: Which Liquid Disappears Fastest? Age range: 7–13Time: 30–60 minutes (plus drying)Concepts: evaporation, surface area, volatility, temperature Goal Compare evaporation rates of safe household liquids and surfaces. Materials Water, vinegar, and isopropyl
Paper Bridge Strength Challenge
Age range: 6–12Time: 20–40 minutesConcepts: forces, compression/tension, engineering design Goal Discover how folding and shaping paper changes its load-bearing strength. Materials 10–15 sheets of plain printer paper 2 equal-height stacks of books (supports)
DNA Extraction from Strawberries
DNA Extraction from Strawberries Materials: Fresh strawberries Ziplock bag Dish soap Salt Water Rubbing alcohol (chilled) Coffee filter or cheesecloth Clear glass Goal / What They Will Learn: Understand basic DNA structure and
☁️Shaving Cream Rain Clouds
🧪 Materials: Clear glass or plastic cup Water Shaving cream Blue food coloring Dropper or spoon 👩🔬 Instructions: Fill the cup ¾ full with water. Spray a “cloud” of shaving cream on top.
🥚 Bouncy Egg Experiment
🧪 Materials: 1 raw egg 1 glass or jar Vinegar 👩🔬 Instructions: Place the egg in the jar and cover it with vinegar. Let it sit for 2 days. (Watch bubbles form!) Carefully
🌈 Rainbow Walking Water
🧪 Materials: 6 clear cups or jars Paper towels (cut into strips) Water Red, yellow, and blue food coloring 👩🔬 Instructions: Line up the 6 cups in a circle or straight line. Fill
Homemade Rainbow
Homemade Rainbow Objective: Understand how light bends and splits into colors (refraction). Materials: A glass of water A flashlight or smartphone flashlight A small mirror A white piece of paper Steps: Set Up
Talking to Plants
Talking to Plants Research shows that many people talk to their plants while watering them. These individuals believe that doing this can help plants grow. Even if there is no scientific proof that
Making a Rainbow Celery
Making a Rainbow Celery Capillarity is the depression or rise of any type of liquid through a small passageway. These narrow pathways may be fibers or tubes. Capillarity is not confined to a
Parts of a Flower
Knowing more about flowers will need a dissection experience. Like all living beings, flowers have internal structures that help them function. All you need to do is explore them. What you need:
How To Demagnetize a Magnet
Demagnetizing a Magnet Magnets attract most metals. An item is magnetic if metals stick to it. The particles in a magnet line up with the south and north ends that are aligned with
Do Plants Keep the House Cool?
Plants Keep the House Cool Higher plants or trees have always given shade during hot days. Have you ever wondered if smaller plants cool you down when you’re inside your home? This science