Matching Pairs DevasthalOnline version .......... by Tea Cher 1 Peer 2 Stare 3 Straight up 4 Glass 5 Liquid mercury 6 Tilt 7 Toxic effects 8 Telescopes Optical instruments used to observe distant objects in space. In a vertical or upright position. A dense, silvery metal that is in a liquid state at room temperature. To look closely or attentively Harmful consequences or impacts on living organisms. To incline or slant. A transparent material made by heating and cooling sand or silica To look fixedly or intently.