Answer:
Discovery and Naming: The first evidence of helium was obtained on August 18th, 1868 by French astronomer Jules Janssen. While in Guntur, India, Janssen observed a solar eclipse through a prism, whereupon he noticed a bright yellow spectral line (at 587.49 nanometers) emanating from the chromosphere of the Sun.
what is the goal of science??
The main goal of science has been building knowledge and understanding, regardless of its potential applications.
What is Science ?
The intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
For example, investigating the chemical reactions that an organic compound undergoes in order to learn about its structure.
Therefore, The main goal of science has been building knowledge and understanding, regardless of its potential applications.
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PLZ HELP I WILL GIVE BRAINLY AND 50 POINTS
Put the steps of the scientific method into the correct order.
Devise an experiment to prove or disprove.
State conclusions.
Conduct a literature search.
Define the problem.
Propose a hypothesis.
Answer:
1. State problem
2. Form hypothesis
3. Conduct experiment
4. Interpret data
5. Draw conclusion
Explanation:
What type of energy is associated with this movement of the molecules?
Answer:
electric
Explanation:
The chemical formula for sulfuric acid is H2SO4. In one molecule of sulfuric acid, there are _____.
two atoms of helium
two atoms of oxygen
four atoms of oxygen
four atoms of sulfur oxide
Please help for my summer school, you can take your time (:
Answer:
four atoms of oxygen
Explanation:
two atoms of hydrogen
one sulphur atom
Organisms can either be made of one cell or made of more than one cell
Answer:
The statement is true.
Explanation:
Organisms can be unicellular (made up of one cell) or multicellular (consisting of more than one cell).
I hope this helps in any way :)
How is the sun related to nuclear, radiant, and heat energy?
Answer:The sun creates energy through nuclear fusion. Kinetic energy creates heat and light.
Explanation: