8th Grade Science TCAP Practice

Front

What is gravity?

Back

Gravity is a force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.

Front

What is thrust in the context of flight?

Back

Thrust is the force that propels an object forward, overcoming drag and allowing it to move through the air.

Front

What is lift in aviation?

Back

Lift is the upward force that counteracts gravity, allowing an aircraft to rise into the air.

Front

What is drag?

Back

Drag is the resistance force that opposes an object's motion through a fluid, such as air or water.

Front

What is the expanding universe theory?

Back

The expanding universe theory states that the universe has been expanding since its formation from a singular point, leading to the current distribution of galaxies.

Front

What is geographic isolation?

Back

Geographic isolation occurs when a population of organisms is separated by physical barriers, leading to the development of distinct species.

Front

What is genetic isolation?

Back

Genetic isolation happens when two populations of the same species can no longer interbreed due to genetic differences, often resulting from geographic isolation.

Front

What are sound waves?

Back

Sound waves are vibrations that travel through a medium (like air or water) and can be heard when they reach a person's or animal's ear.

Front

What are visible light waves?

Back

Visible light waves are electromagnetic waves that are visible to the human eye, allowing us to see colors.

Front

What is the significance of the Big Bang theory?

Back

The Big Bang theory explains the origin of the universe, suggesting it began as a singular point and has been expanding ever since.