Single
glass containing milky water.
Which statement BEST describes why the beam of light bends downward?
A
B.
C.
D.
The milk blocks the passage of light through the water
The light is moving from air into another medium
The force of gravity affects light more when it is in a liquid.
The farther light is from its source, the slower it moves.

conservation of mass

mass before something happens = mass afterwards

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.