This organelle is known as the "powerhouse of the cell" because it generates energy.
What is the mitochondria?
This planet in our solar system is known as the "Red Planet" due to the iron oxide on its surface.
What is Mars?
The process of a gas turning into a liquid, such as water droplets forming on a cold glass.
What is condensation?
The invisible force that pulls objects toward each other, keeping our feet on the ground.
What is gravity?
A proposed, testable explanation for a scientific phenomenon, often called an "educated guess."
What is a hypothesis?
The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy.
What is photosynthesis?
This type of rock is formed from the cooling and solidification of molten magma or lava.
What is igneous rock?
In a molecule of water (HโO), there are two atoms of hydrogen and one atom of this element.
What is oxygen?
The force that resists the relative motion of solid surfaces sliding against each other.
What is friction?
A tool used by scientists to magnify tiny objects that cannot be seen by the naked eye.
What is a microscope?
This molecule, shaped like a double helix, carries the genetic instructions for all living things.
What is DNA?
This gas layer in Earth's atmosphere absorbs most of the Sun's harmful ultraviolet radiation.
What is the ozone layer?
The organized chart that displays all discovered chemical elements based on their atomic number.
What is the periodic table?
White light is actually made up of all the colors of the rainbow, which can be separated using this glass object.
Whaat is a prism?
In an experiment, this is the variable or factor that a scientist purposefully keeps unchanged.
What is the controlled variable (or constant)?
This organ in the human body is responsible for pumping blood through the circulatory system.
What is the heart?
The scientific instrument used to detect and record earthquakes.
What is a seismograph?
The positively charged central core of an atom, containing protons and neutrons.
What is nucleus?
The tendency of an object to resist a change in its motion (an object at rest stays at rest).
What is inertia?
The standard metric unit used to measure temperature in most scientific experiments.
What is Celsius (or Kelvin)?
Unlike plants, these organisms do not make their own food and included mushrooms, molds, and yeasts.
What are fungi?
The innermost layer of the Earth, composed primarily of solid iron and nickel.
What is the inner core?
On the pH scale, substances with a value below 7 are classified as this.
What is an acid? (or acidic)?
The type of energy an object has due to its position, rather than its motion.
What is potential energy?
Information gathered through direct observation or experimentation, used to support a conclusion.
What is evidence (or data)?