Investigating Compliance to Lead Standards for Retail Jewelry
[E]
Test different types of metal cooking pots to determine which one would leach the most amounts of metals when boiled in a 25% citric acid solution for 30 minutes.
[E]
Determine if the antimicrobial properties of metals are a good test for whether or not a piece of jewelry is made out of real gold.
[E]
Demonstrate the differences in work hardening for two different metals.
[E]
Determine if water or vinegar (water with acetic acid) is better for testing lead content in household objects.
[E]
Find the lowest melting temperature of a eutectic Pb-Sn alloy.
[E]
Research Gold Identification Methods
What Materials Will Best Shield Radiation?
[E]
Which Lubricants Have the Least Friction?
[E]
Electrographic Metal Detection
[E]
Which type of metal is most rust-resistant after being exposed to different liquids.
[E]
Rust and Corrosion
[E]
[P]
[P]
Interdisciplinary Topic: Metals