Exploring the World of Science

What is the process by which plants make their food?

• Respiration

• Photosynthesis

• Transpiration

• Fermentation

What is the chemical formula for water?

• H2O

• NaCl

• H2O2

• CO2

What force pulls objects toward the Earth?

• Gravity

• Electromagnetism

• Friction

• Magnetism

What is the largest planet in our solar system?

• Saturn

• Earth

• Jupiter

• Mars

What do we call the change of state from liquid to gas?

• Vaporization

• Freezing

• Condensation

• Sublimation

What is the basic unit of life?

• Molecule

• Organism

• Cell

• Atom

What is the name of the scientist who proposed the theory of evolution?

• Isaac Newton

• Albert Einstein

• Charles Darwin

• Galileo Galilei

What is the main gas found in the air we breathe?

• Carbon Dioxide

• Oxygen

• Nitrogen

• Hydrogen

What is the term for animals that eat both plants and meat?

• Insectivores

• Carnivores

• Herbivores

• Omnivores

What is the name of the process by which rocks are broken down?

• Weathering

• Metamorphism

• Sedimentation

• Erosion