Which procedure could be used to demonstrate that matter is conserved during a physical change?(1 point)

Responses

Find the mass of an apple. Cut the apple and remove the core. Find the mass of the remaining apple.
Find the mass of an apple. Cut the apple and remove the core. Find the mass of the remaining apple.

Find the mass of a piece of ice. Let the ice melt. Find the mass of the liquid water.
Find the mass of a piece of ice. Let the ice melt. Find the mass of the liquid water.

Find the mass of a raw egg. Cook the egg. Find the mass of the cooked egg.
Find the mass of a raw egg. Cook the egg. Find the mass of the cooked egg.

Find the mass of a cup of water. Boil the water. Find the mass of the water that remains.

3 answers

The best procedure to demonstrate that matter is conserved during a physical change is:

Find the mass of a piece of ice. Let the ice melt. Find the mass of the liquid water.

In this example, the ice melts, which is a physical change (solid to liquid), and the total mass of the ice before melting should equal the total mass of the liquid water after melting, demonstrating the conservation of matter.

are you sure

Yes, I am confident in that response. Melting ice is a clear example of a physical change where the state of matter changes from solid (ice) to liquid (water), but the total mass remains constant if measured accurately. This process effectively demonstrates the principle of conservation of matter.

To break it down further:

  1. Matter Conservation Principle: The total mass of an isolated system remains the same before and after a physical change.

  2. Procedure: By measuring the mass of ice before it melts and then measuring the mass of the water afterward, one can show that the mass before the change equals the mass after the change, thus demonstrating conservation of matter.

Other options provided involve changes that can include factors such as evaporation or chemical changes (like cooking an egg), which may not clearly demonstrate the conservation of mass due to the loss or transformation of substances (e.g., gases or expansion). Therefore, melting ice is indeed a straightforward and appropriate choice for illustrating matter conservation in a physical change.