The measuring cylinder is often used to measure the volume of objects in the laboratory. A student wants to refit the measuring cylinder into a device that can directly measure both the volume and the mass of objects, and the scale used to read the mass is uniform The selection equipment is as follows: one measuring cylinder, one size, medium shape block, wood block and foam plastic; 50 grams weight; appliances that can be fixed on glass; pen that can be written on glass; adequate water and container for water.

The measuring cylinder is often used to measure the volume of objects in the laboratory. A student wants to refit the measuring cylinder into a device that can directly measure both the volume and the mass of objects, and the scale used to read the mass is uniform The selection equipment is as follows: one measuring cylinder, one size, medium shape block, wood block and foam plastic; 50 grams weight; appliances that can be fixed on glass; pen that can be written on glass; adequate water and container for water.

1. injecting the right amount of water into the measuring cylinder, placing the foam in the measuring cylinder on the outer wall of the measuring cylinder, placing the foam in the measuring cylinder, recording the location of the water surface at this time B. and placing the 50 grams weight on the foam plastic, and recording the location of the water surface at this time, c.3. according to the position of the water surface and the position of the water surface after putting the weight into the plastic foam, a.2.

Find the physics experiment question of grade two in junior high school (including the answer)
1. Explore the factors of sliding friction; 2. Explore the conditions of two forces balance; 3. Explore the influence of resistance on the movement of objects; 4. Explore the effect of pressure; 5. Explore the factors influencing the internal pressure of liquid; 6. Estimate the value of atmospheric pressure; 7. Explore the size of buoyancy

Take a look at the previous high school entrance examination questions and simulation questions, which should have

Physics experiment in grade two (density)

There are several specifications of copper enameled wire and the following equipment: millimeter scale, balance and weight, measuring cylinder, round pencil, water, density meter. Using the above equipment to design the scheme of measuring the diameter of enameled wire. It is required to write: (1) the equipment selected; (2) the physical quantity to be measured; (3) the physical quantity to be measured A formula for the diameter of enameled wire