This is the basic unit of life in all living organisms.
A. Tissue
B. Organ
C. Cell
D. Molecule
What is C: Cell?
This subatomic particle has a negative charge and orbits the nucleus of an atom.
A. Proton
B. Neutron
C. Electron
D. Nucleus
What is C: Electron?
This planet is known for its red color due to iron oxide on its surface.
A. Venus
B. Mars
C. Jupiter
D. Mercury
What is B: Mars?
This term means the study of life.
A. Psychology
B. Biology
C. Chemistry
D. Pharmacology
What is B. Biology?
This is a prediction that can be tested by conducting an experiment.
A. Theory
B. Hypothesis
C. Law
D. Conclusion
What is B: Hypothesis?
This molecule carries genetic information in most organisms.
A. RNA
B. DNA
C. Protein
D. Enzyme
What is B: DNA?
The law that states "for every action, there is an equal and opposite reaction."
A. Newton's First Law
B. Newton's Second Law
C. Newton's Third Law
D. Law of Conservation of Energy
What is C: Newton's Third Law?
The movement of tectonic plates causes this natural disaster.
A. Tornado
B. Earthquake
C. Hurricane
D. Tsunami
What is B: Earthquake?
In a scientific study testing plant growth under different light colors, the dependent variable is:
A. The color of light used
B. The type of plant
C. The amount of plant growth
D. The type of soil
What is C: The amount of plant growth?
This is the first step in the scientific method.
A. Asking a question
B. Drawing a conclusion
C. Analyzing data
D. Conducting an experiment
What is A: Asking a question?
This system in the body is responsible for transporting oxygen and nutrients.
A. Digestive system
B. Nervous system
C. Circulatory system
D. Respiratory system
What is C: Circulatory system?
This is an example of a chemical change.
A. mixing vinegar and baking soda
B. dissolving salt in water
C. mixing cool aid
D. mixing dirt and water to make mud
What is A. mixing vinegar and baking soda?
The outermost layer of the Earth.
A. Mantle
B. Core
C. Crust
D. Lithosphere
What is C: Crust?
In an ecosystem, organisms that make their own food using sunlight or chemicals are called:
A. Producers
B. Primary consumers
C. Decomposers
D. Carnivores
What is A: Producers?
This is the variable that is manipulated/changed in an experiment, by the scientist to test its effects.
A. Independent variable
B. Dependent variable
C. Control variable
D. Constant
What is A: Independent variable?
The process by which species change over time through natural selection.
A. Evolution
B. Adaptation
C. Mutation
D. Speciation
What is A: Evolution?
This type of energy is stored in chemical bonds and released during reactions.
A. Kinetic energy
B. Chemical energy
C. Thermal energy
D. Nuclear energy
What is B: Chemical energy?
This term describes the cycle of water moving through the atmosphere, land, and oceans.
A. Rock cycle
B. Nitrogen cycle
C. Water cycle
D. Carbon cycle
What is C: Water cycle?
Which of the following correctly orders a food chain from producer to tertiary consumer?
A. Grass → Deer → Wolf → Vulture
B. Grass → Grasshopper → Frog → Hawk
C. Grass → Cow → Human → Worm
D. Algae → Zooplankton → Small Fish → Large Fish
What is D: Algae → Zooplankton → Small Fish → Large Fish?
The data collected during an experiment falls under this category.
A. Opinion
B. Observation
C. Prediction
D. Bias
What is B: Observation?
The process by which plants convert sunlight into chemical energy.
A. Photosynthesis
B. Respiration
C. Transpiration
D. Digestion
What is A: Photosynthesis?
A substance that cannot be broken down into simpler substances by chemical means.
A. Element
B. Compound
C. Mixture
D. Solution
What is A: Element?
The theory that explains the origin of the universe from a singular point.
A. Creationism
B. Big Bang Theory
C. Evolution
D. Relativity
What is B: Big Bang Theory?
In an ecological energy pyramid, why is energy lost at each successive trophic level?
A. Energy is destroyed during digestion
B. Energy is used for life processes like movement and heat
C. Consumers absorb all energy from the organisms they eat
D. Producers use more energy than they create
What is B: Energy is used for life processes like movement and heat?
This part of the scientific method involves repeating an experiment to verify results.
A. Formulating a hypothesis
B. Drawing a conclusion
C. Replication
D. Making a prediction
What is C: Replication?