What are the 7 crosscutting concepts? The seven crosscutting concepts presented in Chapter 4 of the Framework are as follows: Patterns. Cause and effect: Mechanism and explanation. Scale, proportion, and quantity. Systems and system models. Energy and matter: Flows, cycles, and conservation. Structure and function. Stability and change. What are science concepts? Scientific concepts can […]
Is cutting an apple reversible?
Is cutting an apple reversible? cutting an apple is a physical change and an irreversible because in chemical reaction after reaction new compound is formed with different categories but cutting an apple don’t change it chemically it is only cut into pieces and no new compound is formed. Is alcohol evaporating a chemical change? Evaporation […]
What are the 8 types of joints?
What are the 8 types of joints? Planar, hinge, pivot, condyloid, saddle, and ball-and-socket are all types of synovial joints. Is the wrist a gliding joint? Gliding joints occur between the surfaces of two flat bones that are held together by ligaments. Some of the bones in your wrists and ankles move by gliding against […]
What is non-positional number system give an example?
What is non-positional number system give an example? • The non-positional number system consists of different symbols that are used to represent. numbers. • Roman number system is an example of the non-positional number system. i.e. I=1, V=5, X=10,L=50. What is BCD in binary? Binary Coded Decimal Summary We have seen here that Binary Coded […]
What are two different types of electron microscopes?
What are two different types of electron microscopes? There are two main types of electron microscope – the transmission EM (TEM) and the scanning EM (SEM). The transmission electron microscope is used to view thin specimens (tissue sections, molecules, etc) through which electrons can pass generating a projection image. What is the greatest advantage of […]
What are the examples of concave lens?
What are the examples of concave lens? There are many examples of concave lenses in real-life applications. Binoculars and telescopes. Eye Glasses to correct nearsightedness. Cameras. Flashlights. Lasers (CD, DVD players for example). What is the property of convex lens? The convex lens is a lens that converges rays of light that convey parallel to […]
Which condition causes storms to occur freezing of water droplets?
Which condition causes storms to occur freezing of water droplets? Cold Air Damming and Extended Lows Freezing rain develops when warm oceanic air rises up and over the cold air, producing liquid precipitation that falls through the cold layer. The falling droplets become supercooled and freeze on impact with the cold surface. Where is the […]
Is La Nina related to climate change?
Is La Nina related to climate change? In a warming climate, rainfall extremes are projected to shift eastward along the equator in the Pacific Ocean during El Niño events and westward during extreme La Niña events. Will 2020 be the hottest year on record? Globally, 2020 was the hottest year on record, effectively tying 2016, […]
How many watts is 13 amps?
How many watts is 13 amps? 156 Watts Is 13 amp plug normal? Plugs for appliances rated between about 700 watts and 3000 watts (the maximum rating of a wall socket) should be fitted with a 13-amp fuse (coloured brown). For example: 13A Fuse – Washing machine, dishwasher, microwave, kettle, toaster, iron. Can you put […]