The Winter Olympic ski team are testing a new brand of sunglasses. They need help to convince their coach that they need high quality sunglasses. Can you help them?

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

When using the scientist method, which step comes last?