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Dominion Arcade
Fast, colorful, skill-building action featuring your hero Dominion. Reflexes + math + mastery.
Learning Games
Curriculum-friendly games that teach vocabulary, science, history, and money skills. Earn printable certificates for every win.
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STEM Worksheets
Printable & fillable • Free for kids worldwide • Pre-K–12
STEM Worksheets Hub
Select grade + category. Fill online or print cleanly.
Foundations • Add / Subtract
Auto: up to 5 • Add only • Counting, number senseAuto-create 20 problems tuned to the selected grade.
Fluency • Multiplication
Not emphasized (Pre-K–1)Times tables & mixed facts—auto-leveled by grade.
Reasoning • Word Problems
Auto difficulty: easyRandomized stories matching grade difficulty.
Life Science • Parts of a Plant
Pre-K–3 focus vocabulary; upper grades add functions.Name:
Date:
Grade:
1) What job do the roots do?
2) Why do leaves need sunlight?
Physical Science • States of Matter
Solid • Liquid • Gas • (Introduce Plasma for 9–12)Name:
Date:
Grade:
| Item | State | Why? |
|---|---|---|
| Ice cube | ||
| Steam | ||
| Orange juice | ||
| Rock | ||
| Helium balloon | ||
| Honey | ||
| Wooden block | ||
| Fog | ||
| Molten lava | ||
| Butter (room temp) |
Extension: For grades 9–12, research and add examples of plasma (ionized gas).
Algorithm Planning (Pseudocode)
PK–2: picture steps • 3–5: short lines • 6–12: structured pseudocodeName:
Date:
Grade:
Goal:
Inputs:
Outputs:
Loop:
Condition:
Debugging: Find the Bug
3–5: explain in words • 6–12: fix code// Goal: Sum 1..n (n inclusive)
// BUG #1: off-by-one (starts at 0? ends at n?)
// BUG #2: wrong accumulator
function sumTo(n){
let total = 0;
for (let i = 0; i < n; i++){
total = total + 1; // should be total += i;
}
return total;
}
console.log(sumTo(5));
What’s wrong?
Fix it:
Design Challenge • Build a Bridge
PK–5: paper/tape • 6–12: constraints + data tableTeam:
Date:
Grade:
Requirements: span 15 cm, hold ≥ 10 coins, use paper + tape.
Sketch:
| Try # | Change | Load (coins) | Notes |
|---|---|---|---|
| 1 | |||
| 2 | |||
| 3 |
Simple Machines Scavenger
Find examples and explain how they reduce effort- Lever: — Why it helps?
- Inclined Plane: — Why it helps?
- Wheel & Axle: — Why it helps?
- Pulley: — Why it helps?
- Screw: — Why it helps?
- Wedge: — Why it helps?
Robot Rules (If/Then)
PK–2: simple rules • 3–5: add sensors • 6–12: combine logicName:
Date:
Grade:
- If then .
- If then .
- If then .
- If then .
