English
This definite article is used before a noun to indicate that the noun refers to something specific and known to the listener.
What is "the"?
The first industry transformed by the Industrial Revolution.
What is the textile industry?
This sense allows you to feel textures and temperatures, and it involves receptors in your skin.
What is touch?
This term refers to the measure of space occupied by a three-dimensional object, like a box or a can of soda.
What is volume?
This celestial body is closest to Earth and provides light and warmth.
What is the Sun?
This word is used to introduce additional information about a place.
What is "where"?
This energy source powered steam engines.
What is coal?
This sense relies on chemoreceptors in your nose.
What is smell?
What geometric property determines the volume of a prism or cylinder?
What is the area of the base multiplied by the height?
This force keeps planets in orbit around the Sun and moons around planets.
What is gravity?
This term refers to a natural combination of words that are frequently used together, such as "make a decision" or "take a break."
What is a collocation?
The creation of different social classes during the Industrial Revolution.
What is the new class system?
This part of the eye controls the amount of light that enters by changing size in response to light intensity.
What is the pupil?
These types of equations commonly form a U-shaped graph.
What are quadratic equations?
This planet is known for its beautiful rings made up of ice and rock particles.
What is Saturn?
This word is used to introduce a clause providing essential information about a noun.
What is "which" (when used restrictively without commas)?
This movement advocated for individual freedoms and democracy.
What is liberalism?
These specialized cells in the nervous system transmit impulses to and from the brain.
What are neurons?
To find the solutions to a quadratic equation, one method involves setting the equation equal to zero and finding these points where it crosses the x-axis.
What are roots or zeros?
These objects have such strong gravity that not even light can escape from them.
What are black holes?
This rule determines when to use the definite article "the" before the names of geographical features, such as rivers and mountain ranges.
What is when the feature is unique or considered a collective entity (e.g., the Amazon, the Alps).
The growth of cities during the Industrial Revolution often led to this environmental consequence.
What is pollution?
Prolonged exposure to sounds above this decibel level can cause permanent hearing damage.
What is 85 decibels?
Beyond math class, these equations are used in real-life scenarios such as determining the trajectory of objects in flight or optimizing shapes in architecture.
What are applications in physics, engineering, or economics?
This theory proposes that the universe began as an incredibly dense and hot state approximately 13.8 billion years ago.
What is the Big Bang theory?