Sound Waves and Energy Quiz

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Which type of energy is associated with the movement of electrical charges?

Electrical energy (correct)

Mechanical energy

Thermal energy

Radiant energy

What type of energy is related to the internal energy and movement of atoms and molecules within substances?

Mechanical energy

Potential energy

Kinetic energy

Thermal energy (correct)

Which form of energy involves the movement of objects and substances from one place to another?

Electrical energy

Thermal energy

Mechanical energy (correct)

Potential energy

What type of energy is associated with electromagnetic waves?

Radiant energy Signup and view all the answers

What is the range of vibrations (in decibels) that the human ear can hear?

20 - 16,000 decibels Signup and view all the answers

What type of waves are ultrasonic waves?

Longitudinal waves Signup and view all the answers

What is the distinguishing characteristic of a homogenous system?

Uniform characteristics throughout Signup and view all the answers

What is the defining characteristic of elements?

Inability to decompose further through chemical means Signup and view all the answers

What distinguishes organic compounds from inorganic compounds?

Presence of carbon Signup and view all the answers

What indicates the presence of acids or bases?

Change in color using litmus paper Signup and view all the answers

What type of mixture is an alloy?

Homogeneous mixture Signup and view all the answers

Which type of energy does a pendulum have?

Mechanical energy Signup and view all the answers

What kind of waves are used to see in utero foetuses and the functioning of human hearts?

Ultrasonic waves Signup and view all the answers

What happens when acids are dissolved in water?

They yield hydrogen ions (H+) Signup and view all the answers

What type of substances cannot be decomposed further through chemical means?

Elements Signup and view all the answers

What is the defining characteristic of a homogenous substance?

Uniform throughout Signup and view all the answers

Which type of energy is defined as the energy in matter due to its position or the arrangement of its parts?

Potential energy Signup and view all the answers

What type of energy is stored in the bonds of atoms and molecules?

Chemical potential energy Signup and view all the answers

When something is lifted or suspended in air, what type of energy is converted?

Gravitational potential energy Signup and view all the answers

What type of energy is stored in stretched rubber bands, compressed springs, and trampolines?

Stored mechanical (elastic potential) energy Signup and view all the answers

Where is nuclear energy stored?

In the nucleus of an atom Signup and view all the answers

What does the law of conservation of energy state?

Energy is neither created nor destroyed Signup and view all the answers

What happens to the total amount of energy in the universe according to the law of conservation of energy?

It remains the same over time Signup and view all the answers

What does a car engine do when it converts the chemical energy in gasoline into mechanical energy?

Convert chemical energy into mechanical energy Signup and view all the answers

What happens to almost all of the stored energy in the molecules of gasoline used during an automobile trip?

It is lost as heat due to friction and exhaust Signup and view all the answers

What happens to energy when it transforms into heat resulting in diffusion?

It becomes less likely to undergo further transformations Signup and view all the answers

What are the two groups into which energy sources are classified?

Renewable and Non-renewable Signup and view all the answers

What are light, motion, thermal energy, and sound considered as?

Evidences of kinetic and potential energies Signup and view all the answers

What is a characteristic of a heterogeneous system?

It has two or more distinct phases Signup and view all the answers

Which type of mixture exhibits the Tyndall effect?

Colloids Signup and view all the answers

How can insoluble material be separated from a liquid using a filter paper?

Filtration Signup and view all the answers

Which method is used to separate two immiscible liquids?

Separatory funnel Signup and view all the answers

What is the force that opposes the natural motion of an object?

Kinetic friction Signup and view all the answers

Which type of frictional force is the weakest and opposes motion in rolling motion?

Rolling friction Signup and view all the answers

What are non-contact forces?

Forces that occur when the fields around objects interact with each other Signup and view all the answers

What is the gravitational field that affects space around any mass?

$g = 9.8 m/s^2$ Signup and view all the answers

Which process results in contamination of water by foreign matter such as microorganisms, chemicals, industrial or other wastes or sewage?

Water Pollution Signup and view all the answers

What is the relationship between the strength of the field around an object and its mass?

The strength of the field increases with the mass of the object Signup and view all the answers

What type of material does not ordinarily allow any passage of charges through it, as mentioned in the text?

Insulating material Signup and view all the answers

What do moving electric charges produce, according to the text?

Magnetic fields Signup and view all the answers

In electromagnetic force, what induces a magnetic field, and vice versa?

Moving electric charges Signup and view all the answers

What does Sir Isaac Newton's 1st Law of Motion state?

An object at rest remains at rest and an object in motion remains in motion in a straight line and at constant speed unless acted upon by an external unbalanced force. Signup and view all the answers

What characteristic defines some complicated motions, such as vibrations and waves?

Pattern of motion Signup and view all the answers

What are ultrasonic waves, as discussed in the text?

Waves that are undetectable by humans Signup and view all the answers

What do electromagnetic waves include, based on the text?

All regions from longest wavelength-radio waves to ultraviolet radiation in sunlight Signup and view all the answers

What type of waves can produce burning, tanning, and cancer in human skin?

Ultraviolet waves Signup and view all the answers

What is true about ultrasonic waves?

They vibrate at a very fast rate Signup and view all the answers

What do electromagnetic waves interact with according to the text?

Matter, affecting transformation, absorption, reflection or distraction Signup and view all the answers

What are examples of complicated motions that can be described in terms of the pattern of motion?

Sound waves and earthquakes Signup and view all the answers