Properties of Metalloids-What are the Physical Properties of Metalloids? What are the Physical Properties of Metalloids? The Physical properties of Metalloids are the characteristics that can be observed without changing the substance of the elements in a group into other substances.hat are the Physical Properties of Metalloids? The Physical properties of Metalloids are the characteristics that can be observed without changing the substance of the elements in a group into other substances.
Quick Answer. Hummingbirds fly backwards, and they are the only birds capable of doing so. When using this unique ability, hummingbirds may reach speeds of 25 to 30 mph as they go. These birds have flexible wings that they can rotate in swift circles to help fly in reverse.
389 km/h (242 mph) The peregrine falcon is the fastest bird, and the fastest member of the animal kingdom. When in its hunting dive, the stoop, it soars to a great height, then dives steeply at speeds of over 200 mph (320 km/h). However, it does not hold first place when travelling in level flight. Golden eagle: 240â320 km/h (150â200 mph)