Laila empties her piggy bank and finds ten dull, brown pennies. Laila wants her pennies to look shiny, so she performs an experiment. First, she pours salt and vinegar into a container. Then, she adds the ten pennies and waits a few minutes. When she takes the pennies out of the salt and vinegar solution, they look shiny and new!
3. If Laila weighs the salt and vinegar solution and the pennies after the experiment, what do you think she will find?
The solution will weigh more and the pennies will weigh less after the experiment.
The solution will weigh less and the pennies will weigh more after the experiment.
The solution will weigh the same and the pennies will weigh the same after the experiment.
The solution will weigh the same and the pennies will weigh less after the experiment.
1 answer
The solution will weigh the same and the pennies will weigh the same after the experiment.
1 answer