Deepti makes an electromagnet using a piece of wire, a nail, and a battery.
type the correct word into each gap to complete the sentences below.
if deepti increased the current, the electromagnet would be able to pick up
paperclips.
if deepti increased the number of turns of wire, the electromagnet would be able to
pick up more paperclips.
if deepti used a core that was not made of a magnetic material, the electromagnet
would be able to pick up paperclips.
the magnetic field around the electromagnet is the same as the field around a
magnet.

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods

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.