Here’s a list of STEM projects for 36 weeks of Grade 4, with a brief description for each project:

Week 1: Designing and Testing Paper Towers
Design and construct tall towers using paper and tape. Test their strength and stability while exploring architectural principles and structural engineering.

Week 2: Investigating Alternative Energy Sources
Explore different alternative energy sources, such as geothermal, biomass, or tidal energy. Design and build models to understand their applications and advantages.

Week 3: Coding with Python
Learn the basics of coding using Python, a versatile programming language. Develop coding skills while creating programs, games, and simulations.

Week 4: Building Simple Electric Circuits
Construct simple electric circuits using batteries, wires, and components. Explore concepts such as resistance, voltage, and current flow.

Week 5: Investigating Patterns in Nature
Observe and document patterns found in nature, such as symmetry, Fibonacci sequence, or fractals. Create visual representations to demonstrate these patterns.

Week 6: Designing and Testing Boats
Design and build boats using various materials and shapes. Test their buoyancy and stability in the water while exploring principles of naval architecture.

Week 7: Exploring Sound and Light Waves
Investigate the properties of sound and light waves. Conduct experiments to explore concepts like frequency, amplitude, reflection, and refraction.

Week 8: Building Model Solar Systems
Create models of the solar system to understand the relative positions, sizes, and characteristics of the planets, moons, and other celestial bodies.

Research different plant adaptations, such as xerophytes, hydrophytes, or epiphytes. Create models or diagrams to illustrate how plants have adapted to their environments.

Week 10: Designing and Testing Catapults
Design and build catapults using various materials. Experiment with different designs and launch distances to understand projectile motion and potential energy.

Week 11: Exploring Geometric Constructions
Learn and apply geometric constructions using compasses and rulers. Construct various geometric figures, such as perpendicular lines, bisectors, or angles.

Week 12: Investigating Forces in Motion
Study the relationship between forces and motion. Conduct experiments to understand concepts like acceleration, friction, and the effects of different forces on objects.

Week 13: Designing and Testing Wind Turbines
Design and build wind turbines using different materials. Test their efficiency in harnessing wind energy and explore the principles of renewable energy generation.

Week 14: Exploring the Water Cycle
Study the water cycle and its processes, including evaporation, condensation, and precipitation. Create a model or visual representation to demonstrate the continuous movement of water on Earth.

Week 15: Investigating Ecosystem Interactions
Research the interdependence and interactions within ecosystems. Explore food chains, habitats, and the impact of human activities on ecosystems.

Week 16: Designing and Testing Paper Bridges
Construct bridges using only paper and tape. Test their load-bearing capacity and discuss the engineering principles involved in building strong and efficient structures.

Week 17: Exploring Robotics with LEGO Mindstorms
Build and program robots using LEGO Mindstorms kits. Develop coding and engineering skills while completing various robotic challenges.

Week 18: Investigating Weather Patterns
Study weather patterns and meteorological phenomena. Collect and analyze weather data, create weather maps, and understand the factors that influence weather.

Week 19: Designing and Testing Pneumatic Systems
Design and build pneumatic systems using syringes, tubes, and other materials. Explore the principles of air pressure and utilize compressed air to perform tasks.

Week 20: Exploring Geological Processes
Investigate geological processes such as erosion, weathering, and plate tectonics. Create models or diagrams to understand how these processes shape the Earth’s surface.

Week 21: Investigating Magnetism and Electromagnetism
Explore the properties of magnets and electromagnets. Conduct experiments to understand magnetic fields, electromagnetic induction, and their applications.

Week 22: Designing and Testing Paper Airplanes
Create and test paper airplanes of different designs. Measure flight distances and experiment with aerodynamics to achieve optimal performance.

Week 23: Exploring Coding Concepts with Micro:bit
Learn to code using Micro:bit, a small programmable device. Create projects and games while developing computational thinking and programming skills.

Week 24: Investigating Energy Conservation
Study the importance of energy conservation and ways to reduce energy consumption. Conduct experiments and propose strategies for conserving energy at home or school.

Week 25: Designing and Testing Balloon-Powered Cars
Design and build cars powered by balloons. Test their speed and distance traveled, and discuss the concepts of motion, energy transfer, and friction.

Week 26: Exploring Human Body Systems
Study the different systems of the human body, such as the circulatory, respiratory, or digestive system. Create models or diagrams to understand their structures and functions.

Week 27: Investigating the Properties of Light
Explore the properties of light, such as reflection, refraction, and dispersion. Conduct experiments to understand how light interacts with different materials and mediums.

Week 28: Designing and Testing Paper Roller Coasters
Create and construct paper roller coasters using cardstock, tape, and other materials. Explore concepts of gravity, momentum, and energy while designing thrilling coasters.

Week 29: Exploring Simple Machines
Investigate the six types of simple machines and their applications. Design and build models to understand how these machines make work easier.

Week 30: Investigating Water Pollution
Study the impact of water pollution on ecosystems and human health. Conduct experiments to understand water filtration methods and propose solutions to reduce pollution.

Week 31: Designing and Testing Straw Rockets
Design and construct straw rockets using paper, straws, and tape. Test the rockets’ flight distances and explore principles of aerodynamics and propulsion.

Week 32: Exploring Coding with Scratch
Learn the basics of coding using Scratch, a visual programming language. Create interactive stories, games, and animations while developing logical thinking and problem-solving skills.

Week 33: Investigating Soundproofing Techniques
Explore techniques to reduce or eliminate sound transmission. Design and test soundproofing materials or structures to understand their effectiveness.

Week 34: Designing and Testing Water Filters
Design and construct water filters using common materials. Test the filters’ effectiveness in removing impurities and discuss the importance of clean water.

Week 35: Exploring Robotics with VEX IQ
Build and program robots using VEX IQ kits. Develop advanced coding and engineering skills while completing complex robotic challenges.

Week 36: Investigating Renewable Energy Sources
Research and analyze different renewable energy sources, such as solar, wind, or hydroelectric power. Present findings on their benefits and limitations.

These Grade 4 STEM projects aim to engage students in hands-on learning experiences while exploring a wide range of scientific and technological concepts.