SCI 100 Module Five (2)

I need the answer for question 5

2. In a Mars Direct mission, the astronauts would return home in an Earth Return Vehicle (ERV) fueled by     methane and oxygen produced from terrestrial hydrogen and Martian CO2     helium-3 extracted from the lunar surface     finely-ground Martian rocks accelerated by an electromagnetic mass driver     cheap, traditional kerosene fuel brought from Earth   We might go back to the Moon someday to mine the lunar surface for an energy resource called     methane     antimatter     hydrazene     helium-3

Much of the evidence for the existence of atoms comes from Multiple Choice chemistry. mechanics. biology. thermodynamics. On-Screen Keyboard

Science Grade 5 Unit 4 2021 [23 Items] V Gordon, Terrell All Items 5. 6 P N> 4 8 9 10 11-20 Save Review Summary Exit Testing 5. A student tests an unknown substance that she believes to be a metal. Which of the following observations would indicate that the unknown substance is a metal? A.O It can break easily and is very brittle. B.O It can easily float in water. C. It is brown and dull. D. It is a good conductor of electricity. Time Remaining: 00:53:39 Copyright 2021 Illuminate Education, Inc. All Rights Reserved

hoology.com Use the illustration to answer the question. What evidence supporting the nebular hypothesis is shown? O Composition of the planets O Composition of the sun O Revolving disk of dust and gas O Direction of planet rotation

Protons, neutrons, and electrons... Oh My! Chemistry seems to trouble the non-science major. Bottom line, it is all about relationships! In this post, you apply critical thinking skills to demonstrate what you've learned about concepts in chemistry, by applying a concept to a real-life situation. This exercise will build your critical thinking skills as well as your creativity. Choose a major concept in chemistry from the notes, define it, and then give an example of how it is applied in real life.

Where have you seen elements, atoms, ions, etc in real life? Where did you see them and what were their purpose?

Archeologists discover a gold crown in an ancient tomb. When they place the crown in a tub of water it displaces 941.2 mL of water. The density of gold is 19.3 g/mL.Gold is worth $57,056.24 per kg (or was on the day this question was written). Without taking into consideration any historical value for the crown, what is the crown worth?

mHMAC3ccdb6aa11676716c83835709749d96e5#10001 Translate Reading list 1 of 11 I Review | Constants Periodic Table Part A Julia spent $50 on a book. The cost of the book was $18 less than twice what she spent on a backpack. How much did the backpack cost? Express your answer numerically in dollars. • View Available Hint(s) Hint 1. Identify the mathematical equation Hint 2. Identify the expression for the cost of the backpack

Recognizing the intersection of scientific properties and ideas with the world around you is a key component of this course. By choosing a specific element to discuss, you will begin to understand how all substances are composed of elements that work together to form the world around us. Using the periodic table in Chapter 8 of your textbook, pick your favorite element. Describe this element's properties (i.e. atomic weight, atomic number, metal/non-metal, etc.). In addition to using your textbook, use reliable internet sources to research an interesting fact about this element. Use all of this information to explain why this is your favorite element. Cite your source(s) in APA format.

QUESTION 5 Which of the following is not a direct conversion of the Sun's energy? O radiation O insolation O tides O light QUESTION 6 This component converts DC electricity to AC electricity in a solar PV system. O Transformer OInverter O Condenser O Converter

Help

What is NOT a new innovation to determine the properties of the elements and compounds that make up the universe? O particle accelerators ● computers O small mass spectrometers O alchemy

1. Marie Curie was a Polish scientist that specialized in chemistry and physics. She wanted to understand how X-rays worked and noticed in her studies that the element, Uranium, gave off rays that could be measured but did not know what the rays were. She assumed that the rays came from the uranium itself instead of through different molecules interacting with each other. To study the rays, she used an instrument, called an electrometer, that studied the electricity that the rays passed through the air. Through this she was able to discover that the more uranium atoms there were in a compound, the stronger the rays that came off of it. She used this discovery to test other minerals that emitted more rays than Uranium, and discovered the elements Thorium, Polonium and Radium. Through her discoveries of these elements, scientists were able to find the structure of the atom and even how the rays can be used to fight cancer. What was Marie Curie’s observation? 2. What was Marie Curie's…

Please help thanks

Please Help, Thank you.

. Investigate the history of the discovery of chemical elements. What was the most recent element to be discovered and how was it found? How many elements occur in nature and how many are man-made?

Beta particles Multiple Choice have no charge. are the same as electrons. are the same as helium ions.