Classroom Halloween Riddles for Middle School

I’m the skeleton key that opens any lock—if you can solve the algebra etched on my bones. What am I?

I’m a potion recipe with ratios of glow sticks, dry ice, and colored water. Balance me to make fog. What am I?

I’m the raven perched on your ELA prompt card asking, “Quote the text or nevermore.” What am I?

I’m the moonlit graph that compares trick-or-treat steps versus candy pieces. What am I?

I’m the sound design team’s creation—creaking floors, distant howls, and heartbeat bass. What am I?

I’m the math problem: 13 pumpkins carved in 2-minute intervals, how long until the glow fills the hallway? What am I?

I’m the debate topic: “Would you invite a friendly zombie to lunch?” Cite evidence. What am I?

I’m the 3D printed model of Dracula’s castle used in geometry to analyze angles. What am I?

I’m the secret message hidden in UV ink across the science lab door. Solve my cipher to enter. What am I?

I’m the advisory minute that compares urban legends from three cultures. What am I?

I’m the quiz buzzer question: which vitamin is found in pumpkin seeds? What am I?

I’m the hallway mural of constellations labelled with mythic monsters. What am I?

I’m the exit ticket asking you to summarize today’s lab in one spooky sentence. What am I?

I’m the VR field trip to a haunted historical site—connect with primary documents after the jump scare. What am I?

I’m the timer that flashes orange and purple, reminding everyone to pack up before the witching bell rings. What am I?