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What are the scientific and technological innovation projects for primary school students?
Primary school students' scientific and technological innovation projects are as follows:

1, robot project

Students can build their own robots and program them to learn how to solve problems in real life. They can learn how to build with Lego or other robot suites and program with programming languages such as Scratch or Python.

2. Scientific experiments

Students can carry out various scientific experiments, such as chemical experiments, physical experiments or biological experiments. These experiments can help students understand scientific principles and cultivate their experimental skills.

3. Technical projects

Students can develop their own applications, websites or games. They can use various development tools and technologies (such as Scratch, Python or JavaScript) for development.

4. Project

Students can design and build various engineering works, such as bridges, cars or airplanes. They can use various materials and tools (such as cardboard, plastic, 3D printer) for construction.

5. Math projects

Students can carry out various mathematical activities, such as solving puzzles, solving mathematical problems or creating mathematical models. These activities can help students develop mathematical thinking and problem-solving ability.

Data expansion:

Three interesting experiments

1, air cushion flight

Rinse the glass cup with hot water and leave some hot water in the glass. Then quickly put the cup upside down on the smooth table. At this time, gently blow the glass or push it with feathers, and the glass will slide easily on the table like a ghost, just like skating, with little friction. What's going on here?

2, friction heating.

Squeeze the copper wire with your right hand, pull it to the right, let the copper wire slide between your left hands, and then your left hand will feel hot.

Pinch the copper wire with both hands and bend it back and forth quickly for many times, and the bent part of the copper wire can become boiling hot. What's going on here?

3. Strange freezing

Experiment (1): put the soda in the refrigerator and freeze it to freezing point (but not yet). Take the soda out of the refrigerator and open the bottle cap. Although it is room temperature, ice will soon form in the soda bottle.

Experiment (2): Wrap a bottle of ordinary cold water with cloth and put it in the refrigerator for freezing. After a long time, the water in the bottle turned into ice, but the bottle broke.