Can you
a group of pupils have a ray box, a mirror, a glass box and a prism. for each block,...
Can you
a group of pupils have a ray box, a mirror, a glass box and a prism. for each block, describe what happens when the ray is directed at it. use as much scientific knowledge and understanding in your answers as you can. focus on the processes of reflection , if this happens at all and refraction and dispersion.
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Physics, 22.06.2019 09:00
The material that keeps its new shape after it is stretched is called?
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Physics, 22.06.2019 10:00
Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.
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Physics, 22.06.2019 14:00
Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
Answers: 3
Physics, 22.06.2019 16:20
Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus
Answers: 1
Physics, 09.10.2019 23:30
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