Multiple choice

The Iron Man suit is made of a gold titanium alloy. How is an alloy made?

  1. Melting together 1+ metal with 1+ element

  2. Freezing 2 or more metals together

  3. A mixture of at least 3 elements

  4. Melting together 1 gas with at least 1 liquid

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An alloy is a metallic substance composed of two or more elements, at least one of which is a metal, usually created by melting them together.