Atomic Theory And Static Electricity
You should take this test AFTER you have reviewed the material contained within the 5 websites listed in the WebQuest.
- 1.
All matter (solids, liquids and gasses) are made of these units?
- A.
Lego blocks
- B.
Cells
- C.
Atoms
- D.
Water
Correct Answer
C. AtomsExplanation
Atoms are the fundamental units of matter, consisting of protons, neutrons, and electrons. They are the building blocks of all substances, including solids, liquids, and gases. Lego blocks are not the basic units of matter, but rather objects made from matter. Cells are the basic units of life, not matter itself. Water is a compound made up of atoms, but it is not the fundamental unit of all matter. Therefore, atoms are the correct answer.Rate this question:
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- 2.
What are the negative parts of an atom called?
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Plutons
Correct Answer
C. ElectronsExplanation
Electrons are the negatively charged particles found in an atom. They are located in energy levels surrounding the nucleus. Electrons play a crucial role in chemical reactions and bonding between atoms. They are responsible for the electrical conductivity and the formation of chemical compounds. Unlike protons and neutrons, electrons have a much smaller mass and are constantly in motion around the nucleus.Rate this question:
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- 3.
What are the positive parts of an atom called?
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Positrons
Correct Answer
A. ProtonsExplanation
Protons are the positively charged particles found in the nucleus of an atom. They are one of the three main subatomic particles, along with neutrons and electrons. Protons play a crucial role in determining the identity and properties of an atom, as they determine the atomic number and contribute to the overall positive charge of the atom.Rate this question:
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- 4.
Where are electrons found?
- A.
Inside the nucleus
- B.
Inside the neutrons
- C.
Inside the protons
- D.
Outside the nucleus
Correct Answer
D. Outside the nucleusExplanation
Electrons are found outside the nucleus. They orbit around the nucleus in specific energy levels or shells. This is based on the Bohr model of the atom. Electrons are negatively charged particles and they are attracted to the positively charged protons in the nucleus. However, they do not exist within the nucleus itself.Rate this question:
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- 5.
How can atoms acquire a charge?
- A.
By gaining or losing electrons
- B.
By gaining or losing protons
- C.
By gaining or losing neutrons
- D.
Atoms cannot acquire a charge
Correct Answer
A. By gaining or losing electronsExplanation
Atoms can acquire a charge by gaining or losing electrons. Electrons are negatively charged particles that orbit the nucleus of an atom. When an atom gains or loses electrons, it becomes either negatively or positively charged, respectively. This process is known as ionization. The number of protons and neutrons in an atom remains constant during this process, as they are located in the nucleus and do not participate in the acquisition of a charge. Therefore, the correct answer is that atoms can acquire a charge by gaining or losing electrons.Rate this question:
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- 6.
What is the name of the center of the atom?
- A.
Middle
- B.
Core
- C.
Nucleolus
- D.
Nucleus
Correct Answer
D. NucleusExplanation
The correct answer is nucleus. The nucleus is the center of an atom, containing protons and neutrons. It is surrounded by electrons in the electron cloud. The nucleus is responsible for the mass of the atom and determines its chemical properties.Rate this question:
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- 7.
What do you call an atom that has an electrical charge?
- A.
Ion
- B.
Molecule
- C.
Compound
- D.
Metal
Correct Answer
A. IonExplanation
An atom that has an electrical charge is called an ion. Ions are formed when atoms gain or lose electrons, resulting in a positive or negative charge. This charge imbalance allows ions to easily interact with other ions or molecules, making them important in various chemical reactions and biological processes.Rate this question:
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- 8.
A negatively charged object will be attracted to ....
- A.
Another negatively charged object
- B.
A positively charged object
- C.
A neutral object
- D.
Both B and C are correct
Correct Answer
D. Both B and C are correctExplanation
A negatively charged object will be attracted to a positively charged object because opposite charges attract each other. Additionally, a negatively charged object can also be attracted to a neutral object because the neutral object may have an uneven distribution of charge, causing a temporary separation of positive and negative charges within the object, creating an attractive force with the negatively charged object.Rate this question:
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- 9.
How can you see an atom?
- A.
With a magnifying glass
- B.
With a microscope
- C.
With a telescope
- D.
You cannot see an atom
Correct Answer
D. You cannot see an atomExplanation
Atoms are the basic building blocks of matter and are incredibly small, with a diameter of about one ten-billionth of a meter. This is much smaller than the wavelength of visible light, making it impossible to directly observe atoms using optical instruments like magnifying glasses, microscopes, or telescopes. Instead, scientists use advanced techniques such as scanning tunneling microscopy or transmission electron microscopy to indirectly visualize atoms. These techniques rely on the interaction of atoms with electrons or other particles to create an image, allowing us to study their structure and behavior.Rate this question:
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- 10.
An atom of carbon and an atom of gold are ....
- A.
Same
- B.
Different
Correct Answer
B. DifferentExplanation
An atom of carbon and an atom of gold are different because they have different numbers of protons, neutrons, and electrons. Carbon has 6 protons, gold has 79 protons. Carbon has 6 neutrons, gold has 118 neutrons. Carbon has 6 electrons, gold has 79 electrons. Therefore, the atomic structure and properties of carbon and gold are distinct, making them different elements.Rate this question:
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- 11.
What is static electricity?
- A.
The buildup of atoms on a material
- B.
The destruction of many atoms at once
- C.
A collision of atoms
- D.
The buildup of electric charges on a material
Correct Answer
D. The buildup of electric charges on a materialExplanation
Static electricity refers to the accumulation of electric charges on a material. When certain materials are rubbed together, electrons are transferred from one material to another, causing an imbalance of positive and negative charges. This buildup of electric charges creates static electricity.Rate this question:
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- 12.
What can static electricity cause?
- A.
El Nino
- B.
Sparks, shocks and lightning
- C.
Diseases
- D.
Rain
Correct Answer
B. Sparks, shocks and lightningExplanation
Static electricity can cause sparks, shocks, and lightning. When there is an accumulation of static charges on an object, it can discharge suddenly, resulting in sparks. These sparks can occur when two objects with different charges come into contact or when there is friction between certain materials. Shocks can also be experienced when a person comes into contact with a highly charged object. In certain conditions, such as during thunderstorms, static electricity can lead to the formation of lightning, which is a powerful discharge of electricity between the ground and the atmosphere.Rate this question:
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- 13.
Which conditions support the formation of static electricity?
- A.
Dry air with high humidity
- B.
Dry air with low humidity
- C.
Damp air with high humidity
- D.
Damp air with low humidity
Correct Answer
B. Dry air with low humidityExplanation
Dry air with low humidity supports the formation of static electricity. Static electricity is generated when there is a buildup of electric charge on the surface of an object. In dry air, there is less moisture, which means that there are fewer water molecules to conduct electricity. This allows for the accumulation of electric charge on objects, leading to the formation of static electricity.Rate this question:
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- 14.
What is lightning?
- A.
Very heavy rain exploding
- B.
Protons moving from cloud to cloud
- C.
Electrons moving between a cloud and the ground
- D.
Atoms falling from the sky at an extremely rapid rate
Correct Answer
C. Electrons moving between a cloud and the groundExplanation
Lightning is the discharge of electricity that occurs between a cloud and the ground. During a thunderstorm, the upper part of the cloud becomes positively charged while the lower part becomes negatively charged. This causes a flow of electrons, which are negatively charged particles, to move from the cloud towards the ground. This movement of electrons creates a visible flash of light and the accompanying thunder.Rate this question:
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- 15.
Who is pictured below?
- A.
Isaac Newton
- B.
Albert Einstein
- C.
Aristotle
- D.
Benjamin Franklin
Correct Answer
D. Benjamin FranklinExplanation
The question asks for the identity of the person pictured below. The correct answer is Benjamin Franklin.Rate this question:
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Mar 21, 2023Quiz Edited by
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Feb 22, 2010Quiz Created by
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