examples of heat energy grade 2

📚 Quick Study Guide

• 🔥 Heat is a form of energy. It makes things warmer.
• ☀️ The Sun: A primary source of heat energy for Earth.
• 🖐️ Friction: Rubbing your hands together creates heat.
• 🍳 Stoves and Ovens: Used for cooking, converting electrical or gas energy into heat.
• 🌡️ Temperature: Measured in Celsius ($^{\circ}$C) or Fahrenheit ($^{\circ}$F). Heat increases temperature.
• 🧊 Heat Transfer: Heat moves from warmer objects to cooler objects.

Practice Quiz

1. Which of the following is a source of heat energy?
   1. A. A Cold Glass of Water
   2. B. The Sun
   3. C. An Ice Cube
2. What happens when you rub your hands together quickly?
   1. A. They get colder
   2. B. They get warmer
   3. C. Nothing happens
3. Which tool uses heat to cook food?
   1. A. A Refrigerator
   2. B. An Oven
   3. C. A Fan
4. What does heat do to the temperature of an object?
   1. A. Lowers it
   2. B. Increases it
   3. C. Doesn't change it
5. Which of these is an example of heat transfer?
   1. A. A bird flying in the sky
   2. B. Ice melting in your hand
   3. C. A tree growing taller
6. What unit is commonly used to measure temperature?
   1. A. Kilograms
   2. B. Liters
   3. C. Celsius
7. If you put a metal spoon in a hot bowl of soup, what happens to the spoon?
   1. A. It gets colder
   2. B. It gets warmer
   3. C. It stays the same temperature