CAATSO Practice

Cell Biology & Organelles

• Mitochondria is known as the "powerhouse of the cell"
• The nucleus contains genetic material in a cell
• Chloroplasts absorb light for photosynthesis

Human Biology and Anatomy

• Red blood cells transport oxygen.
• Most nutrient absorption occurs in the small intestine.
• Vitamin K is essential for blood clotting.
• Oxygen is released by plants during photosynthesis.
• Hinge joints connect the bones in the knee which allow movement in one plane.
• The nervous system controls and coordinates all body functions.
• The kidneys filter blood in the human body.
• The ear helps maintain balance.
• Oxygen is essential for respiration.
• White blood cells fight infections.
• The heart is the main organ of the circulatory system.

Plant Biology

• Moss is a nonvascular plant.
• Photosynthesis is the process by which green plants make their food.
• Xylem transports water from roots to leaves in plants.
• Stomata helps plants with gas exchange.

Chemistry

• Digestion is the breaking down of food into simpler substances.
• Melting ice is an example of a physical change.
• Helium is used in balloons to make them float.
• Au is the chemical symbol for gold.
• A neutral solution has a pH of 7.
• Copper is the best conductor of electricity.
• Newton is the SI unit of force.
• DNA stands for Deoxyribonucleic Acid.

Physics

• Frequency determines the pitch of a sound wave.
• Concave mirrors are used in vehicle headlights.
• The acceleration due to gravity on Earth is 9.8 m/s².
• Ohm is the unit of electrical resistance.
• Kelvin is the SI unit of temperature.
• Scattering makes the sky appear blue.

Earth & Space Science

• Mars is known as the "Red Planet".
• The Moon's gravity is the main cause of tides on Earth.
• Jupiter is the largest planet in the Solar System.
• The stratosphere contains the ozone layer.
• The Earth's outermost layer is called the crust.
• NASA stands for National Aeronautics and Space Administration.
• Jupiter has the shortest day of all the planets.

General Science

• Evaporation turns water from liquid to vapor.
• Water boils at 100°C at sea level.
• A thermometer measures temperature.
• An atom is the basic unit of matter.
• Proteins helps with bodybuilding.
• A microscope is used to see microscopic organisms.
• The respiratory system includes the lungs.
• Vitamin D is produced in the skin when exposed to sunlight.
• A pulley system is used to raise a flag.
• Mycology is the scientific study of fungi.