Biology
This is the basic unit of life.
What is a cell?
The chemical formula for water.
What is H₂O ?
This force pulls objects towards the center of the Earth.
What is gravity?
This layer of Earth contains molten rock and is responsible for plate tectonics.
What is the mantle?
This is the red planet in our solar system.
What is Mars?
This organ filters waste from the blood and produces urine.
What is the kidney?
This gas is the most abundant in Earth’s atmosphere.
What is nitrogen?
The unit of electric current.
What is the ampere?
The name of the supercontinent that existed around 300 million years ago.
What is Pangaea?
This celestial body is the third planet from the Sun.
What is Earth?
In the food chain, these organisms break down dead matter and recycle nutrients.
What are decomposers?
When an acid and a base react, they form this type of compound and water.
What is a salt?
This scientist developed the three laws of motion.
Who is Isaac Newton?
A scientist who studies earthquakes is called this.
What is a seismologist?
This is the largest planet in our solar system.
What is Jupiter?
This type of cell division produces two identical daughter cells.
What is mitosis?
In electrolysis of water, the gas collected at the anode is this.
What is oxygen?
If an object has a mass of 10 kg and is accelerating at 2 m/s², calculate the force acting on it.
What is 20 N? [F = ma]
This type of rock forms from cooling magma or lava.
What is igneous rock?
This galaxy is the closest spiral galaxy to the Milky Way.
What is the Andromeda Galaxy?
This type of cell division produces gametes with half the number of chromosomes as the parent cell.
What is meiosis?
This type of chemical reaction involves the exchange of ions between two compounds, often resulting in the formation of a precipitate.
What is a double displacement reaction?
This is the unit used to measure electrical resistance.
What is the ohm?
This natural disaster is typically caused by an undersea earthquake or volcanic eruption, generating massive waves that can travel across oceans.
What is a tsunami?
This is the point in space where the gravitational pull is so strong that nothing, not even light, can escape.
What is a black hole?