20 Science Projects That Are Easy

by | Jul 14, 2023 | Science Projects, Top

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Are you looking for science projects that are easy to undertake and suitable for children? Look no further! In this blog, we have compiled a list of 20 easy science projects that are perfect for young minds eager to explore the wonders of science. Each of these science projects is designed to be accessible and straightforward, requiring common household materials and simple instructions.

By engaging in these easy science projects, children can observe, experiment, and learn about scientific principles in a fun and interactive way. These projects also foster a sense of curiosity and excitement about science, inspiring children to continue their exploration and discovery. So gather your materials, get ready to explore, and begin your journey of scientific discovery with these 20 engaging and accessible science projects.

List of 20 Easy Science Projects:

1. Food Preservatives

Food Preservatives

Food preservation is a crucial aspect of the food industry, ensuring that our food remains safe, fresh, and flavorful for extended periods.

To test the effectiveness of natural preservatives:

  • Understand natural preservatives such as salt, sugar, vinegar, etc.
  • Prepare identical samples of perishable food items, treating each with a specific preservative and monitoring their decay over time.
  • Observe and document the differences in spoilage rates, concluding the efficacy of various natural preservatives.

2. Saltwater Density

Understanding the concept of density and its application in real-world scenarios can be both educational and exciting. One easy science project that allows students to explore density is the investigation of saltwater density.

Science Projects That Are Easy

To conduct an easy science project on saltwater density:

  • Dissolve different amounts of salt in equal volumes of water. Once the solutions are prepared, measure the density of each saltwater solution using a specific method.
  • Use a graduated cylinder to measure equal volumes of each solution and then weigh them. Calculate the density of the saltwater solutions.
  • Plot the data from their experiments on a graph to visualize the relationship between salt concentration and water density.

3. Plant Reproduction

Plant Reproduction

Understanding the process of plant reproduction is a fundamental aspect of biology and can be explored in this easy science project.

To perform seed germination:

  • Start by collecting different types of seeds, such as beans, peas, or sunflower seeds. Then prepare a series of containers filled with soil or paper towels.
  • Place a specific type of seed, ensuring consistent moisture and temperature conditions for all setups.
  • Document and observe the progress of each seed, noting the time it takes for germination to occur and the subsequent growth of the seedling.

4. Electrolysis of Water

Electrolysis is the process of using an electric current to drive a non-spontaneous chemical reaction. This easy science project on the electrolysis of water can help students understand chemical processes, electrical conductivity, and the composition of water better.

4. Electrolysis of Water

For performing electrolysis of water:

  • Two electrodes (platinum or graphite) are immersed in water containing a small amount of an electrolyte, such as salt or sulfuric acid.
  • The electrodes are connected to a direct current (DC) power source, and as the electric current passes through the water, it causes a chemical reaction.
  • During the electrolysis of water, hydrogen gas is produced at the cathode, while oxygen gas is generated at the anode.
  • The gases can be collected and observed, demonstrating the decomposition of water into its elemental components.

5. Homemade Crayons

Homemade Crayons

Creating homemade crayons is a fun and educational science project that combines creativity with scientific principles. Making crayons from scratch allows children to learn about the properties of materials, the concept of melting points, and the solidification process.

To begin this easy science project:

  • Gather old crayons and sort them by colour.
  • Place them in a heat-resistant container.
  • The container is then heated until the crayon wax melts into a liquid.
  • Once the crayon wax is melted, pour the liquid wax into the moulds of their choice.
  • The melted wax is left to cool and solidify, resulting in homemade crayons ready for colouring.

6. Gravity and Motion

Gravity is the force that attracts objects toward each other. It is responsible for the motion of objects on Earth and the orbital paths of planets around the sun.

To create this easy science project:

  • Build a ramp using cardboard or a wooden board inclined at a specific angle.
  • Then release objects, such as toy cars or marbles, from the top of the ramp and observe their motion.
  • Investigate how gravity influences the speed and distance travelled by the rolling objects by adjusting the ramp’s angle.
  • The objects’ distances can be measured from a variety of angles, and the results can be recorded. They can also evaluate how the ramp’s slope affects the objects’ velocity.

7. UV Bracelet

UV Bracelet

A type of electromagnetic radiation that the sun emits is UV light. Overexposure to UV radiation can cause sunburn and skin damage and increase the risk of skin cancer. Students can learn about the different types of UV rays, the impact of UV radiation on the skin, and strategies for sun protection.

To create this easy science project:

  • Thread the UV-sensitive beads onto a string or elastic cord, creating a wearable bracelet.
  • Once the bracelet is assembled, test its functionality by exposing it to sunlight or a UV light source.
  • Observe the beads changing colour, indicating the presence of UV radiation.

8. Polymers

Understanding the concept of polymers and their properties can be explored through easy science projects such as slime-making, absorbency, or plastic recycling. Slime is a non-Newtonian fluid that displays both liquid and solid properties.


To create slime:

  • Mix a polymer, such as polyvinyl alcohol (PVA) or polyvinyl acetate (PVA), with a cross-linking agent, such as borax or liquid starch.
  • Experiment with different ratios of ingredients to observe how they affect the consistency and texture of the slime.
  • Learn about polymers and explore their unique properties, such as viscosity and elasticity.

Also Read: How To Make Slime In Five Different Ways

9. Alternative Pest Control

Alternative Pest Control

Pest control is an essential aspect of maintaining a healthy and productive environment. This easy science project helps you gain an understanding of eco-friendly pest management practices by investigating companion planting, natural repellents, or biological controls.

To study the use of companion planting:

  • Companion planting is a gardening technique where certain plants are grown together to deter pests or attract beneficial insects.
  • Research different plant combinations and design small garden plots to test the effectiveness of companion planting in repelling pests.
  • Observe and record the presence of pests and the health of plants in each plot, analyzing the results to determine the effectiveness of specific plant combinations.

10. Ocean Zones

Students can gain a deeper understanding of the distinct characteristics of each ocean zone and the life forms that inhabit them by creating models, researching adaptations, or investigating light penetration.

20 science projects

To create this easy science project:

  • Use materials like cardboard, paint, and construction paper to create a layered representation of the ocean.
  • Label and colour each layer to reflect its specific characteristics, such as the sunlight zone will be bright and shallow, and the midnight zone will be deep and dark.
  • This project allows children to visually understand the distinct features of each ocean zone and the transition between them.

11. Mold Terrarium

Mold Terrarium

Mould is a type of fungus that plays an important role in the ecosystem. Through this easy science project, students can learn about the life cycle of fungi and the conditions that promote mould growth.

To create a mould terrarium:

  • Gather a clear plastic or glass container.
  • Add a layer of moist soil to the bottom of the container.
  • Introduce organic materials, such as fruit peels or bread, which serve as food sources for mould.
  • Place the terrarium in a warm and dark location to encourage mould growth.
  • Observe the terrarium regularly and document the growth and changes in the mould.

12. Human Reflexes

This easy science project helps gain an understanding of the body’s automatic responses and the nervous system’s role by investigating knee-jerk reflexes, withdrawal responses, or conditioned reflexes.

human reflex

To test knee-jerk reflex:

  • Children can take turns being both the subject and the experimenter.
  • The experimenter can gently tap the patellar tendon of the subject’s knee with a reflex hammer or even a blunt pencil while the subject sits with their leg relaxed.
  • The subject should observe and describe the sensations and movements they experience.

13. Green Roofs

Green Roofs

Green roofs are innovative and environmentally friendly solutions that involve plants on the roofs of buildings. They offer numerous benefits, like energy conservation, stormwater management, and habitat creation.

To study the impact of vegetation on temperature regulation:

  • Set up a small-scale experiment using two identical containers, one with soil and vegetation and the other without.
  • Place temperature sensors in each container and expose them to the same amount of sunlight.
  • Observe the cooling effect of the green roof compared to the conventional roof by monitoring and recording the temperature in each container over time.

14. Aerobic vs. Anaerobic Respiration

Respiration is the process by which living organisms convert nutrients into energy. There are two main types of respiration: aerobic and anaerobic.

easy science projects

To perform this easy science project:

  • Create a simple yeast fermentation experiment by mixing yeast with sugar water in two separate containers—one with access to air (aerobic condition) and another sealed (anaerobic condition).
  • Observe and compare the rate and intensity of fermentation, noting the production of carbon dioxide bubbles in the aerobic condition and the absence of bubbles in the anaerobic condition.
  • This project allows children to visually observe the differences between aerobic and anaerobic respiration and understand the importance of oxygen in the process.

15. Photosensitive Materials

Photosensitive Materials

Photosensitive materials react to light by undergoing a chemical change, such as a colour change or a change in physical properties. They are used in various applications, including photography, solar energy, and light-sensitive coatings.

To create a sun print:

  • Gather photosensitive paper or fabric.
  • Place objects or shapes on the photosensitive material and expose it to sunlight for a specific duration.
  • When the material is developed or rinsed, you can observe the silhouettes or imprints created by the objects.
  • This project allows you to visually understand the effects of light on photosensitive materials and explore the concepts of light blocking and exposure.

16. Animal Behavior and Environmental Factors

Environmental factors, including temperature, light, food availability, and habitat design, have an impact on animal behaviour. This easy science project helps you gain insights into the adaptations of animals to their habitats and appreciate the delicate balance between organisms and their surroundings by exploring animal behaviour and environmental factors.

Science Projects That Are Easy

To investigate temperature effects:

  • Set up multiple containers, each with a different temperature environment, created using heat lamps or coolers filled with ice packs.
  • Observe and record the movement, activity level, or preferred locations of the invertebrates in response to the different temperature conditions.

17. Acid Rain and Corrosion

Acid Rain and Corrosion

Acid rain is a form of precipitation that has high levels of sulfuric and nitric acids. This easy science project helps you understand the corrosive effects of acid rain on different materials and the importance of protecting structures from its impact by

To test the corrosive effects of different liquids on common materials:

  • Gather samples of metals, such as iron nails or copper coins, and place them in separate containers.
  • Add different liquids to each container, including vinegar (acetic acid), water, and a simulated acid rain solution (prepared by adding lemon juice or vinegar to water).
  • Observe and compare the appearance and condition of the materials over time.

18. Scented Bath Bombs

Students can gain an understanding of the chemistry and aromatherapy principles involved in bath bomb creation by investigating different ingredients, scents, and the science behind fizzing reactions.

bath bombs

To create scented bath bombs:

  • Gather ingredients like baking soda, citric acid, cornstarch, Epsom salts, and fragrance oils.
  • Combine the dry ingredients in specific ratios, add a few drops of their selected scent, and mix well.
  • Press the mixture into moulds, such as silicone moulds or plastic containers, and leave them to dry for a few hours or overnight.
  • When the bath bombs are ready, test them by placing them in a bathtub filled with warm water and observing the fizzing reaction and fragrance release.

19. Rust Prevention

Rust Prevention

Rust is a common form of corrosion that occurs when iron or steel comes into contact with oxygen and water. Preventing rust is essential to maintaining metal objects’ structural integrity and appearance.

To investigate the use of sacrificial anodes in rust prevention:

  • Set up a simple experiment by attaching a small piece of sacrificial anode, like a zinc strip, to a metal object, such as a steel paperclip.
  • Immerse the paperclip and the sacrificial anode in a container with water. Then observe the formation of rust over time.
  • Understand the concept of galvanic corrosion and the protective role of sacrificial anodes by analyzing the results.

20. Water Pressure

Water pressure is the force exerted by water molecules against the walls of a container or a surface. This easy science project helps you gain insights into the forces at work in fluid dynamics.

science projects that are easy 2

To investigate the effects of water depth on pressure:

  • Gather transparent containers of different shapes and sizes, such as plastic bottles or cups, and mark different water levels on each container.
  • By attaching a small piece of flexible tubing to each container, you can create a simple water pressure gauge.
  • Observe and compare the water heights in the tubing for each container, noting that the deeper the water, the higher the water level in the tubing.


Easy science projects provide a wonderful opportunity for children to explore and learn about various scientific concepts in a hands-on and engaging manner. By undertaking activities such as creating scented bath bombs, investigating water pressure, or exploring animal behaviour, children can develop important scientific skills and ignite a lifelong passion for learning.

Also Read: Top 10 Science Projects For Middle School


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