Free STEM Activity!

STEM Laboratory, STEM Station, Build a Troll Bridge

Download the free STEM Activity here!

A little troll is looking for a way to earn some big cash and he’s decided to build a toll bridge. He needs help from “STEM Man” and your students to design and build a bridge that’s strong enough to hold lots of toll money.


Can STEM Man save the day? Find out in this fun STEM Activity!

STEM Build a Bridge

Your students will be able to use their iPad or tablet to scan QR codes and watch a fun STEM Lab intro video (can also be viewed on a computer). This humorous video clip includes a scenario skit and an explanation of the STEM concepts associated with the activity … straight from “Professor STEM-plestien’s STEM Laboratory”! After watching the video, your students are sent off to solve the challenge using the supplies given. The sky is the limit! You will be amazed when you see what your students come up with!

This project has:

• Materials List

Materials List

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• Student Worksheet (Lower and Upper Levels)

Just scan the QR Code to watch the video. Professor STEMplestein explains what to do and the STEM concepts behind the challenge. Students can do this activity without any additional instruction!

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• Student Planning Sheet

Planning out a solution is a very important part of completing any STEM Challenge!

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• NGSS Aligned

NGSS Aligned

• Labels

Materials can be stored in a small / medium size bin. There are labels that you can print out and stick to the boxes; the top label contains the materials list, the side label has QR codes for the video and printed materials.

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Download this fun activity here!

Aluminum Foil Boat Tutorial

Try this STEM Activity Challenge at home or in the classroom!!

Included below:
– Materials List
– Video Tutorial

Materials listed below are per group (3-4 students):

  • 2 aluminum foil squares that are 15cm by 15cm (1 square will be in case they make a mistake or want to redesign their boat)
  • 1 beaker or clear cup (to show the aluminum foil and penny sinking at the beginning of this activity)
  • approx. 50 pennies (I put these in a small cup)
  • A fish tank / large bowl for setting these in when filling with pennies (1 tank per class)

Video Tutorial:

Available for purchase in my TpT Storek-2 Grade Activity, 3-5th Grade Activity
– Student Worksheet
– Teacher / Parent Instructions
– Grading Rubric
– Other fun and exciting STEM Activity Challenges!

Summer STEM Activities

Summer STEM Projects

Summer is fast approaching! It’s time to start thinking about how to engage your students (or kids) over the summer to help prevent the dreaded “summer lag”! Here’s an idea that’s sure to help with summer learning loss AND cure summer boredom: STEM activities!!!!! Send home a simple 6 sheet printed packet – “Summer STEM Box Challenges” (or just send them the pdf file!).

stem worksheets

What is a summer STEM box challenge? It’s an open ended STEM project with a given “problem” and a  box of materials (such as pipe-cleaners, craft sticks, toilet paper tubes etc.) to solve it with (parents will need to compile the materials – most can be found at the dollar store or are already in their home!).

summer stem box

The Summer STEM printable includes:

• Suggested Materials
• 10 STEM Challenge Cards
• STEM Engineering Process Page / Poster
• Parent Instructions (How to put together a “Summer STEM Box”)
• Planning sheet
• Reflection Sheet

How to create a Summer STEM Box:

1. Compile all or some of the materials listed and any others
you’d like to add. Most are things you already have or can get at
the dollar store!

2. Find a box, bin or basket to put them in.

3. Cut out the “challenge cards”, fold them in half and place them in a jar.
Kids can pull out a (random) card to get the challenge for that day!


These challenges are open-ended—the sky is the limit for creativity! They
are great for individual or group work…maybe even a family competition!!



5 Cute and Creative STEM Clipart Sets

STEMLooking for super cute STEM and science clipart?!!

Check out these fun clipart sets. Created by my talented wife, I’ve used these kids and supplies in my own TpT STEM products and I know you’ll like them as well. This clipart is for commercial and personal use, so it’s great for any STEM or science TpT product…or in your classroom…or just for fun!!! The sets contain tons of images!! Each image also contains color and black line-art versions.

Science Kids Clipart: Young Scientists

science stem kids super cute scientists

Science Kids Clipart: Science Lab Toolkit

Science STEM lab tools supplies

Kids Clipart: Young Engineers

STEM engineer kids super cute clipart

Kids Clipart: Engineer Toolbox

Engineer supplies tools clipart cute

Science Kids: Borders and FramesScience STEM lab borders frames

Clipart: Borders & Frames BUNDLE (Sets 1-4) …. a set that’s not related to STEM but is a great combination with any of them!
STEM Clipart


cute stem science clipart



10 Free Science Posters

STEM free science posters

Check out these super fun FREE resources! 10 free and fun STEM & science posters!!

free stem poster

STEM Posters (Science Demo Guy)

states of matter poster

States of Matter (Science Demo Guy)

science tools mini posters

Science Tools Mini Posters (Amber Socaciu)

weather posters

Weather Posters (The Super Teacher)

free stem poster set

Stem Posters

science bell ringers

Bell Ringers (Presto Plans)

lab team roles

Lab Team Roles (Science Penguin)

scientific method poster

Scientific Method Posters (Danielle Mastandrea)

science vocabulary poster

Science Vocab (Science Penguin)

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Science Method Poster (Everyone deserves to learn)

Roller Coaster STEM Project


“Mrs.” Science Demo Guy here 🙂

With 2 boys home sick from school (sick enough for the school to make them stay home, not sick enough to have a boring day) I decided that the TV and iPad were NOT going to be the plan for the entire day. Inspired by Frugal Fun for Boys and Girls “Straw Roller Coaster” STEM project, ( ) I set up an open-ended STEM activity for my “sick” boys to have fun with. I gave them a number of different materials to use (mostly purchased at Dollar Tree, one of the BEST stores in the universe) and told them to build a roller coaster for a ping pong ball…showing them the example from Frugal Fun.

stem materials

I gave them duct tape to use….if we did this again I’d provide masking tape instead. My fingers are a bit raw from tearing off an infinite number of small pieces of duct tape.

Calvin (5 yrs) was VERY apprehensive about the task of building a rollercoaster from scratch and almost completely refused to do the activity. I talked him into it and he was so proud of his outcome, “Doesn’t it look like a 6 year old built this!?” Zach (7) was pretty uncertain as well—he didn’t think his coaster would be successful but was ready to give it a whirl.

Plan / Design:
They started out by drawing pictures of what they want their coasters to look like.

STEM roller coaster

Then construction began. The longer they spent building, the more and more excited they became about their creations!! Hudson (2 yrs) was “helping”…the older two didn’t appreciate his help 😉

building the structure

building 2

Zach was excited with his outcome, “isn’t it amazing that it actually works?!” I especially like the ring of fire at the end of his coaster.


Calvin was really proud of his creation as well!

calvin's stem rollercoaster

I asked Zach what he thought would make his coaster better. At first he proudly said “nothing!”…but after thinking it through, he wanted to add a jump at the end.

roller coaster kids science project

Calvin decided to build another ramp AND a ball holder at the top of the big ramp.


Science behind the activity
At the end we talked about inertia and how gravity is the force that makes the ball move.

Inertia is the resistance of any physical object to any change in its state of motion; this includes changes to its speed, direction, or state of rest. It is the tendency of objects to keep moving in a straight line at constant velocity.

Errrrr….boys, that means…your ping pong ball isn’t going to move unless a force makes it move —which was what? Zach, “gravity”…yes, yes you are right buddy. Good job. It’s also not going to change direction unless it’s guided by the edges of the coaster.

As for how REAL roller coasters work, well, I’ll leave it to the guys in this video to explain 🙂

We ended up watching a number of other cool roller coaster videos. The video I linked to is totally safe but some of the others have a few PG words.

This whole project consumed over an hour of our time AWAY from the iPad and TV…minus the time spent watching roller coaster videos on my computer. Now for lunch, “quiet book” time (more like, come out of your room and interrupt mom time)…and then back to the mindless entertainment provided by Netflix…