Halloween Science

What is the main chemical reaction that occurs during pumpkin carving?

• Oxidation

• Evaporation

• Combustion

• Decomposition

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How does the physics of haunted houses create a scary experience?

• By creating a sense of fear through dark and dim lighting.

• By using supernatural forces and paranormal activities.

• By incorporating jump scares and sudden loud noises.

• By utilizing techniques such as optical illusions, sound effects, and unexpected movements.

Tags

NGSS.MS-ETS1-1

What chemicals are used to make glow-in-the-dark decorations?

• fluorescent dyes

• luminescent pigments

• radioluminescent materials

• phosphors

What is the chemical composition of fireworks?

• Gunpowder, paper, and metal

• Water, salt, and sugar

• Oxidizers, fuels, colorants, and binders

• Plastic, glass, and wood

Tags

NGSS.MS-PS1-1

How does the physics of fireworks create different visual effects?

• The colors of fireworks are created by painting the gunpowder with different pigments.

• The physics of combustion, chemical manipulation, explosions, and gunpowder contribute to different visual effects in fireworks.

• The shape of the fireworks determines the visual effects.

• The temperature of the explosion affects the brightness of the fireworks.

What happens when a pumpkin is exposed to air after carving?

• Turns into a jack-o'-lantern

• Grows bigger

• Becomes a pie

• Decay and rot

How do haunted houses use sound and lighting effects to create a spooky atmosphere?

• By using bright lighting and cheerful music to create a welcoming atmosphere.

• By using complete darkness and silence to create a spooky atmosphere.

• By using colorful lighting and upbeat music to create a festive atmosphere.

• By using dim lighting, flickering lights, strobe lights, fog machines, eerie music, creaking doors, screams, and other creepy sounds.

What is the role of phosphors in glow-in-the-dark decorations?

• Phosphors absorb and release energy to create the glowing effect.

• Phosphors enhance the brightness of the glow-in-the-dark decorations.

• Phosphors change color when exposed to light.

• Phosphors emit light when exposed to energy.

What are the different types of fireworks based on their chemical compositions?

• aerial shells, fountains, sparklers, roman candles, firecrackers

• fireworks, sparklers, glow sticks

• bottle rockets, flares, smoke grenades

• rockets, smoke bombs, confetti cannons

Tags

NGSS.MS-PS1-1

How does the shape and design of fireworks affect their flight and explosion patterns?

• The temperature of fireworks affects their flight and explosion patterns.

• The size of fireworks affects their flight and explosion patterns.

• The color of fireworks affects their flight and explosion patterns.

• The shape and design of fireworks control their flight and explosion patterns.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2