Homemade Glow Sticks Concepts

Carla Berrier, a 5th-grade science teacher, demonstrates how to create reusable glow sticks using oil and strontium aluminate. The activity involves mixing different colors, using a syringe to fill test tubes, and charging them under a black light. The glow sticks can be recharged with UV light, making them a fun and sustainable project for students.

What is the main difference between the glow sticks made in this activity and store-bought ones?

• They are cheaper.

• They can be recharged with UV light.

• They are larger in size.

• They are more colorful.

What is the key ingredient used to make the glow sticks glow?

• Magnesium sulfate

• Strontium aluminate

• Phosphorus

• Calcium carbonate

How much oil is needed per color when making the glow sticks?

• 1 teaspoon

• 2 teaspoons

• 3 teaspoons

• 4 teaspoons

What tool is suggested for mixing the glow powder and oil effectively?

• A knife

• The other side of a spoon

• A whisk

• A fork

Which color was noted as being quite fluorescent during the preparation?

• Pink

• Green

• Sky blue

• Aqua

What is used to transfer the mixed solution into the test tubes?

• A pipette

• A syringe

• A funnel

• A straw

How long should the glow sticks be charged under the black light?

• 3 minutes

• 1 minute

• 10 minutes

• 5 minutes

What is the purpose of turning off the room light during the demonstration?

• To save electricity

• To make the glow more visible

• To prevent overheating

• To create a dramatic effect

Which color was incorrectly mentioned as orange during the demonstration?

• Pink

• Orange

• Aqua

• Sky blue

What is the main benefit of these homemade glow sticks?

• They are more durable.

• They are brighter.

• They can be recharged multiple times.

• They are easier to make.