Physics, 19.03.2021 07:10, shmote12

SCIENCE 19. A teacher wants to model for young children that matter is not destroyed when it changes. Which of the following models would best
show this to the children? *
a. boiling an ice cube so that it changes into gas
b. burning a piece of paper so that it will change into ash and smoke
c. taking a cup of water, pouring it onto sand, and watching the sand absorb it
d. weighing a piece of clay and then changing the shape of it and weighing it
againOption 1

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 00:30, devaughnnorthcu1565

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Answers: 1

continue

Physics, 22.06.2019 02:30, kordejah348

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Answers: 1

continue

Physics, 22.06.2019 10:30, markfaerman5408

Carbon is allowed to diffuse through a steel plate 15 mm thick. the concentrations of carbon at the two faces are 0.65 and 0.30 kg c/m^3 fe, which are maintained constant. if the preexponential and activation energy are 6.2 x 10-7 m2 /s and 80,000 j/mol, respectively, compute the temperature at which the diffusion flux is 1.43 x 10^-9 kg/m^2 -s.

Answers: 3

continue

Physics, 22.06.2019 10:30, alwaysneedhelp8420

If y gets smaller as x gets bigger and y have an relationship?

Answers: 1

continue

Do you know the correct answer?

SCIENCE 19. A teacher wants to model for young children that matter is not destroyed when it change...