Jump to main content

Ninth Grade STEM Activities for Kids (86 results)

Search
Refine Results
Filter by
Sort by
Design and 3D Print a Snowflake
STEM Activity
1
2
3
4
5
36 reviews
Design and 3D print your own snowflake ornament with Tinkercad in this fun winter-themed STEM activity. Read more
DIY Mini Drone: Free Flight
STEM Activity
1
2
3
4
5
13 reviews
Make your mini popsicle stick drone lift off in this activity! You will build a dual-joystick controller to steer your drone so you can fly it manually. How well can you fly without any help from automatic controls? See this page for a complete list of our mini drone projects. You may wish to do the projects in order. Read more
Dye Eggs Using Silk Ties for Egg-cellent Colors
STEM Activity
1
2
3
4
5
8 reviews
Have you ever dyed eggs? Turning eggshells from white into different, dazzling colors can be a lot of fun! People often do this using dye tablets to make different colors in a liquid bath. They then dip the egg into the liquid and wait till it turns the desired color. Eggs can be dyed in many other ways, and one neat method uses silk ties. Sounds strange to use clothing to dye eggs, right? But it actually works really well! In this activity, you will dye eggs with silk ties and… Read more
Featured
Make String from Algae
STEM Activity
1
2
3
4
5
215 reviews
Did you know that the seaweed you've seen in the ocean or even eaten as a snack is inspiring innovators to imagine new materials? Large brown algae, like kelp, contains polymers—long chains of molecules—that are more environmentally friendly than the ones in most plastics. These natural polymers (alginates) could eventually be used to create sustainable everyday objects. Try your hand at using a bit of chemistry to turn biodegradable polymers from algae into your own custom… Read more
Explore How Lung Infection Influences Breathing
STEM Activity
1
2
3
4
5
21 reviews
Have you ever coughed, felt short of breath because you were sick, or felt it was hard work to take a breath? Maybe you have watched someone gasping for air. At times, these events can feel scary! This activity explores how mucus and fluid in the lungs or airways changes our breathing using a simple lung model. It can help you understand why symptoms like coughing and being short of breath happen. Read more
Gingerbread House STEM Challenge
STEM Activity
1
2
3
4
5
74 reviews
How easy or difficult is it to build a gingerbread house? It depends on what you want your house to look like. Design possibilities are almost endless! You could make a multi-story building, try different shapes and sizes, or add extra features such as a balcony or chimney. The more complex your design gets, the more difficult it is to make sure that your house stays upright and keeps its shape. In this activity, you will become an engineer and design and build a gingerbread house that must… Read more
How Far Can Your Sneeze Go?
STEM Activity
1
2
3
4
5
22 reviews
Do you cover your coughs and sneezes? How far do you think the droplets can travel if you do not cover them? Why is this important to help prevent the spread of diseases like COVID-19? Try this activity to find out! Read more
Imagine Ways that Artificial Intelligence Could Change the World
STEM Activity
1
2
3
4
5
99 reviews
AI is all around us and changing our world—often for the better, but sometimes with unintended consequences. In this activity, you will imagine and explore the potential benefits and dangers of an artificial intelligence solution you imagine. Let your imagination flow and see where it takes you. Read more
Making Everyday Objects Out of Mushrooms: Environmentally Friendly Design
STEM Activity
1
2
3
4
5
10 reviews
Maybe you have grown vegetables or flowers, but have you ever grown the flowerpot? Yes, you read that right! In this activity, you will use mushroom roots to grow a biodegradable material that can be molded into a product of your liking, like a flowerpot! Growing a set of bowls, a lampshade, or a pot is easier than you might think. Once you try it out, you just might feel inspired to replace some of your plastic objects with ecological counterparts that you created from mushroom roots! Read more
Physics Secrets for Hula Hooping
STEM Activity
1
2
3
4
5
6 reviews
Have you ever spent time spinning a hula hoop around your waist or arm? Could you easily do it, or was it difficult? Have you ever wondered how hula hoops work, or, in other words, what makes them be able to spin around a person's waist or arm? It comes down to the physics that is involved. Physics can help you determine what makes one hula hoop a winner and another a flop. In this activity you will get to create your own hula hoops and investigate how their masses affect how they spin. … Read more
Program Your Own COVID-19 or Flu Simulator with Scratch
STEM Activity
1
2
3
4
5
31 reviews
Are you curious about how public health officials think about and model how diseases like flu and COVID-19 move from one person to another? In this activity, you will use the kid-friendly programming language Scratch to write a simulation that uses bouncing dots to represent healthy and sick people. The simulation will show how we can take measures to slow the spread of a transmissible disease. Read more
< 1 ... 5 6 7 8 9 >

Explore Our Science Videos

Quick Links X
Top
Free science fair projects.