BODY SYSTEMS
What is a body system?
Body systems are groups of organs and tissues that work together to perform important jobs for the body.
Which organelle is like the brain of the cell?
The nucleus.
What drives the water cycle?
The Sun.
What is a life cycle?
The stages an organism goes through from birth to reproduction to death.
What is energy?
The capacity of doing work.
What does the immune system protect us from?
Pathogens like viruses and bacteria.
What are the 3 main parts of the cell theory?
All living things are made of cells; cells are the basic unit of life; all cells come from pre-existing cells.
What is condensation?
The process where water vapor turns into liquid water.
What do plants need to reproduce?
Pollinators
What is thermal energy?
Heat energy; energy from the movement of particles.
What two systems work together to help you move?
Muscular system and skeletal system (locomotor system).
Difference between prokaryotic and eukaryotic cells.
Eukaryotic cells have a nucleus; prokaryotic cells do not.
How does altitude affect temperature?
The higher the altitude, the colder the temperature.
What is pollination?
The transfer of pollen from the male part to the female part of a flower.
What is conduction?
The transfer of heat through direct contact.
Name one organ in the immune system.
Lymph nodes, spleen, or thymus.
Plant or animal? This type of cell has a cell wall and chloroplasts.
Plant cell.
Explain one way the ocean affects climate.
Oceans absorb heat and distribute it around the world, affecting weather patterns.
One difference between animal and plant reproduction
Animals usually reproduce with movement, plants don't move and need pollinators.
Name one good conductor and one good insulator.
Conductor = metal (e.g., copper); Insulator = plastic or wood.
Describe how the brain, spinal cord, and nerves work together.
The brain sends messages through the spinal cord, and nerves carry them to and from the body.
Explain the law of conservation of energy with an example.
Energy cannot be created or destroyed, only transformed.
What is the difference between weather and climate?
Weather is short-term; climate is the average over a long period.
Describe the cycle of life in humans (basic stages).
Birth → childhood → adolescence → adulthood → old age → death.
What is specific heat?
The amount of heat needed to raise the temperature of a substance.