1. Science:
- Conducting a plant growth experiment: Students can choose different plants and observe their growth under various conditions such as sunlight, water, and soil types.
- Investigating properties of materials: Students can select different materials and explore their properties like hardness, transparency, and flexibility.
- Creating a simple circuit: Students can build a basic circuit using batteries, wires, and bulbs to understand the flow of electricity.

2. Mathematics:
- Designing a survey: Students can create a survey on a topic of their choice and collect data from their classmates or family members. They can then represent the data using bar graphs or pie charts.
- Measuring objects: Students can measure the length, width, and height of various objects in their surroundings using a ruler or measuring tape. They can record the measurements and compare them.
- Creating a budget: Students can plan a budget for a party or a school event. They can list the expenses, calculate the total cost, and determine how to allocate the budget for different items.

3. English:
- Writing a short story: Students can develop their creativity and language skills by writing a short story on a given theme or topic. They can focus on character development, plot, and descriptive language.
- Conducting a book review: Students can read a book of their choice and write a review, highlighting the plot, characters, and their personal opinion. They can also present their review to the class.
- Creating a poster: Students can design a poster on a social issue or a literary theme. They can use images, slogans, and key points to convey their message effectively.

4. Social Science:
- Making a timeline: Students can create a timeline showcasing important events from a specific period in history. They can include dates, descriptions, and illustrations to depict the sequence of events.
- Conducting a survey on local governance: Students can prepare a questionnaire to gather information about the functioning of local government bodies. They can analyze the data and present their findings.
- Creating a tourist brochure: Students can research and gather information about a famous tourist destination. They can design a brochure with details about the place, attractions, and local culture.

These suggested projects and assignments not only enhance students' understanding of the topics but also encourage them to think critically, apply concepts practically, and develop their creativity and communication skills. It is important for teachers to provide guidance and support throughout these projects to ensure effective learning outcomes.