Are you looking for ways to boost STEM learning and fun this summer? Check out these zero to low-prep summer STEM challenges & DIY activities for grades K-8.



Generation Genius Summer STEM Challenges Perfect For Any Day of the Week 

Summer is here! Between vacations, holidays, Summer Solstice, Solar Eclipse, and World Cup, it feels like the calendar is packed. But if you’re looking to sprinkle in some bite-sized science lessons, you’ve come to the right spot.

Teacher Taylor Blair explores science concepts like heat transfer, density, buoyancy, and capillary action with standards-aligned hands-on summer STEM activities. Whether you’re looking to boost learner engagement, comprehension, or something-in-between, there’s something for every learner. 

Rainbow Walking Water DIY Activity 

Looking for some fun learning this summer? Check out this Rainbow Walking Water DIY Activity, perfect for a summer STEM challenge for grades K-8.

STEM Challenge: Can water walk without touching it?
Concepts: Capillary action, water movement, color mixing
Supplies: Food coloring, clear cups, water, paper towels
Objective: Learners observe water moving between cups as colors mix and “walk”, 

Ice Melt Race DIY Activity 

Which ice cup will melt the fastest? Check out this low-prep ice melt race DIY activity, great for a summer STEM challenge (K-8)

STEM Challenge: Which melts ice faster?
Concepts: Heat transfer, insulation, melting points
Supplies: Ice cubes, trays, salt, foil, fabric, sunlight
Objective: Students test materials to see which conditions speed up or slow down melting.

Fireworks in a Jar DIY Activity 

Check out this fun low-prep Fireworks in a Jar DIY activity, great for a K-8 summer STEM Challenge.

STEM Challenge: Can you make fireworks without fire?
Concepts: Density, diffusion, liquid interaction
Supplies: Water, oil, food coloring, clear jar
Objective: Learners create colorful bursts in water while observing how liquids interact, 



Pool Noodle Engineering DIY Activity 

Looking to boost learning and fun this summer? Check out this Pool Engineering DIY activity, ideal for a summer STEM challenge for grades K-8

STEM Challenge: Can pool noodle boats actually float? 
Concept: Buoyancy, balance, engineering design
Supplies: Pool noodles, straws, tape, foil, small weights
Objective: Students design and test boats that float while exploring balance and buoyancy.

Generation Genius Summer STEM Challenges: Real Learning, Real Fun, Real Science

Real learning, real fun, real science with these standards-aligned low-prep Generation Genius summer STEM challenges & DIY activities (K-8)


Summer is the perfect time to bridge concepts, explore learning, and expand lessons through hands-on DIY activities. Before you head to the park, make sure to check the storage closet. You may just have a few supplies, ready to help inspire unlimited curiosity in your learners. 


For more on summer, check out Summer Camp Science Activities that Actually Teach Something K-8