What is the main function of the heart?
The heart pumps blood throughout the body.
What is the outer layer of a plant cell called?
The cell wall.
What is a wave?
A disturbance that transfers energy through matter or space.
What is the study of Earth and its processes called?
Geology.
What is weather?
The state of the atmosphere at a specific time and place.
Name the system that includes the brain and spinal cord.
The nervous system.
What organelle is known as the powerhouse of the cell?
The mitochondria.
Name the two main types of waves.
Mechanical waves and electromagnetic waves.
What is the soft, inner layer of the Earth called?
The mantle.
What tool is used to measure temperature?
A thermometer.
What are the three major types of blood vessels?
Arteries, veins, and capillaries.
Name one difference between plant and animal cells.
Plant cells have a cell wall, while animal cells do not.
What is the term for the height of a wave?
Amplitude.
What are rocks made up of?
Minerals.
What is precipitation?
Any form of water that falls from clouds, such as rain or snow.
Which organ is responsible for filtering waste from the blood?
The kidneys.
What structure controls what enters and leaves the cell?
The cell membrane.
What type of wave travels through solids, liquids, and gases?
Longitudinal waves.
What type of rock is formed from cooled lava?
Igneous rock.
What do we call a large body of air that has the same temperature and moisture characteristics?
An air mass.
What is homeostasis?
The process by which the body maintains a stable internal environment.
What is the function of chloroplasts in plant cells?
Chloroplasts are responsible for photosynthesis.
Waves
What is the frequency of a wave?
The number of waves that pass a point in one second.
What is the process of breaking down rocks called?
Weathering.
What is the difference between weather and climate?
Weather is short-term atmospheric conditions, while climate is the average of weather conditions over a long period.