The first step where you ask a testable question.
Question / Problem
The structure that controls what enters and leaves the cell.
Cell membrane
The force that keeps planets orbiting the sun.
Gravity
The molecule that carries genetic information.
DNA
This South American rodent is the world’s largest living rodent and can weigh over 100 pounds.
Capybara
A testable prediction made before an experiment.
Hypothesis
The organelle known as the “powerhouse of the cell.”
Mitochondria
The gas plants take in during photosynthesis.
Carbon dioxide
The process where one cell divides to form two identical cells.
Mitosis
This marine mammal has tusks and can live in Arctic waters, using its whiskers to detect food.
Walrus
The factor that is purposely changed in an experiment.
Independent variable
The jelly-like substance that fills the inside of a cell.
Cytoplasm
The planet with the most moons in our solar system.
Saturn
DNA from only the female parent is called...
Mitochondrial DNA
This deep-sea fish produces light from its body to lure prey in complete darkness.
Anglerfish
The factor that is measured in an experiment.
Dependent variable
The organelle that contains the cell’s DNA.
Nucleus
The layer of gases surrounding Earth.
Atmosphere
The type of reproduction that produces offspring genetically identical to the parent.
Asexual reproduction
This tiny, burrowing armadillo from Argentina is known for its pink shell and nocturnal digging habits.
Pink Fairy Armadillo
Repeating an experiment to check results and accuracy.
Replication/reproduction
The organelle in plant cells where photosynthesis occurs.
Chloroplast
The scale used by scientists to measure earthquake strength.
Richter scale
The process by which cells break down glucose to release usable energy in the form of ATP.
This mammal from Africa and Asia is covered in scales and is sometimes called the “scaly anteater” because it feeds mainly on ants and termites.
Pangolin