1. what did you observe when you touched the point of a nail to some paper clipt?
2.
what will happen when you remove one end of the wire from the dry cell?
3.
usimg the same dry cell. explane how you can make the nail attract more paper clipt?
4.
what type of magnet is made in the above activity?
5.
how does it work???
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According to the tide table below what time of day will the highest tide occur?

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic