Grade 5 science quiz on energy from the sun, food, and fuels

📚 Quick Study Guide

• ☀️ Energy from the Sun: The sun is the primary source of energy for Earth. Plants use sunlight to make food through photosynthesis.
• 🌱 Photosynthesis: The process by which plants convert light energy into chemical energy (food), using carbon dioxide and water. The chemical equation can be represented as: $6CO_2 + 6H_2O + Light \rightarrow C_6H_{12}O_6 + 6O_2$
• 🍎 Energy from Food: Animals (including humans) get energy by eating plants or other animals. This energy comes originally from the sun.
• 🔥 Energy from Fuels: Fuels like wood, coal, oil, and natural gas store energy. When these fuels are burned, they release energy as heat and light.
• 🪵 Renewable vs. Non-Renewable Fuels: Renewable fuels (like wood from sustainably managed forests) can be replenished, while non-renewable fuels (like coal and oil) cannot be easily replaced.
• 💡 Energy Transformation: Energy can change from one form to another (e.g., sunlight to chemical energy in plants, chemical energy to kinetic energy when we move).

🧪 Practice Quiz

1. Which of the following is the primary source of energy for Earth?
   1. The Moon
   2. The Sun
   3. Fossil Fuels
   4. Wind
2. What process do plants use to convert sunlight into food?
   1. Respiration
   2. Digestion
   3. Photosynthesis
   4. Combustion
3. What type of energy is stored in fuels like wood and coal?
   1. Kinetic Energy
   2. Potential Energy
   3. Light Energy
   4. Sound Energy
4. When we burn wood, what forms of energy are released?
   1. Sound and Electricity
   2. Heat and Light
   3. Motion and Sound
   4. Electricity and Motion
5. Which of these is an example of a renewable fuel?
   1. Coal
   2. Oil
   3. Natural Gas
   4. Wood (from a sustainable forest)
6. What happens to energy when we eat an apple?
   1. It disappears.
   2. It transforms into other forms of energy for our body to use.
   3. It turns into sunlight.
   4. It becomes heavier.
7. Which of the following best describes energy transformation?
   1. Energy staying in one form.
   2. Energy changing from one form to another.
   3. Energy being destroyed.
   4. Energy being created.