Yes, there are demonstrations and experiments shown in the videos. Here are some examples:

1. Science experiments:
- In the videos, you can find various science experiments demonstrated. These experiments are designed to help students understand scientific concepts in a practical and engaging way.
- For example, there might be experiments on the laws of motion, where the video demonstrates the use of different objects to explain concepts like inertia, friction, and momentum.
- Another experiment could be about the water cycle, where the video shows the process of evaporation, condensation, and precipitation using simple materials like a bowl of water, a glass, and ice.

2. Demonstrations of concepts:
- The videos also include demonstrations of different concepts related to various subjects. These demonstrations aim to make the concepts more understandable and relatable for students.
- For instance, in a math video, you might find a demonstration of fractions using visual aids like colored blocks or pie charts. This helps students grasp the concept of fractions by visually representing parts of a whole.
- In a language arts video, there could be a demonstration of storytelling techniques, where the video shows how to create a compelling plot, develop characters, and use descriptive language effectively.

3. Hands-on activities:
- Some videos might include hands-on activities that students can follow along with. These activities encourage active participation and help students apply what they have learned.
- For example, in a video about plant growth, the demonstration could involve planting seeds in different conditions and observing their growth over time. This allows students to see firsthand how factors like sunlight, water, and soil affect plant growth.

4. Experiments with everyday materials:
- The videos often use everyday materials that are easily accessible to students, making it convenient for them to replicate the experiments at home or in the classroom.
- For instance, a video on chemical reactions might demonstrate the reaction between baking soda and vinegar, showcasing the release of carbon dioxide gas and the resulting fizzing.
- These experiments with common household items make learning more practical and help students relate scientific concepts to their everyday lives.

Overall, the videos provide a combination of demonstrations, experiments, and hands-on activities to make learning more interactive and engaging for students.