The property of metals by which they can be beaten into thin sheets is called ____ .

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the property of metals that allows them to be beaten into thin sheets. This is a characteristic feature of metals.

2. **Identifying Metal Properties**: Metals are known for several properties, including being hard, lustrous (shiny), and ductile (can be drawn into wires). However, the specific property that relates to being beaten into thin sheets is what we need to focus on.

3. **Defining Malleability**: The property that allows metals to be hammered or rolled into thin sheets without breaking is called malleability. This means that when a metal is subjected to pressure, it can change shape and form thin sheets.

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