---
title: "Temperature Gradient — AP Physics 2 Definition & Exam Guide"
description: "Temperature gradient is the change in temperature per unit distance (ΔT/L). It drives conduction and sets the heat transfer rate in AP Physics 2 Topic 2.10."
canonical: "https://fiveable.me/ap-physics-2-revised/key-terms/temperature-gradient"
type: "key-term"
subject: "AP Physics 2"
---

# Temperature Gradient — AP Physics 2 Definition & Exam Guide

## Definition

Temperature gradient refers to the change in temperature per unit distance. It measures how quickly or slowly temperature changes across a given space.

## Related Study Guides

- [2.10 Thermal Conductivity](/ap-physics-2-revised/unit-2/thermal-conductivity/study-guide/LXcVaVW1YFpFt8nSgYo9)

## Review

### Related Terms

- Thermal conductivity: The ability of a material to conduct heat.
- Thermal equilibrium: When two objects are at the same temperature and no heat flows between them.
- [Conduction](/ap-physics-2-revised/key-terms/conduction): The transfer of heat through direct contact between particles or objects.