Deep Space
This is the "Red Planet," known for its iron-rich soil.
What is Mars?
The basic building block of all living things.
What is a Cell?
Often called the "brain" of the cell, it holds the DNA.
What is the Nucleus?
The process plants use to turn sunlight into food.
What is Photosynthesis?
An educated guess or a testable prediction.
What is a Hypothesis?
The force that keeps planets in orbit around the Sun.
What is Gravity?
This rigid outer layer is found in plant cells but NOT animal cells.
What is the Cell Wall?
Known as the "powerhouse," it creates energy for the cell.
What is the Mitochondria?
A group of similar cells working together forms this.
What is Tissue?
The step in the scientific method where you use your five senses to gather info.
What is an Observation?
This model places the Sun at the center of the solar system.
What is the Heliocentric model?
These organisms are made of only one single cell.
What are Unicellular organisms?
This jelly-like substance fills the cell and holds organelles in place.
What is Cytoplasm?
The "instructions" for an organism found inside the nucleus.
What is DNA?
In an experiment, this is the factor that the scientist intentionally changes.
What is the Independent Variable?
A rocky object that orbits the Sun, mostly found between Mars and Jupiter.
What is an Asteroid?
This green organelle is where photosynthesis happens.
What is a Chloroplast?
These storage tanks hold water, food, or waste (plants have one huge one).
What are Vacuoles?
This gas is produced by plants and breathed in by humans.
What is Oxygen?
The highest level of classification for organisms (e.g., Animalia, Plantae, Fungi).
What is a Kingdom?
The distance light travels in one year.
What is a Light-year?
Animal cells are typically round, while plant cells are usually this shape.
What is Rectangular (or square)?
This thin "skin" controls what enters and leaves the cell.
What is the Cell Membrane?
The smallest unit of an element; the "Lego bricks" of the universe.
What is an Atom?
The two-part naming system for organisms, using Genus and Species.
What is Binomial Nomenclature?