The Human Body
What is the diaphragm?
This muscle helps you breath by contracting and expanding the lungs
What is Pluto?
This dwarf planet was once considered the ninth planet.
What is a proton?
This positively charged particle is found in the nucleus of an atom.
What is the driving force behind plate tectonics, the movement of Earth's crustal plates?
The driving force behind plate tectonics is primarily mantle convection, the process of heat-driven circulation of molten rock in the Earth's mantle.
What is the primary way light travels from its source?
The primary way light travels from its source is as an electromagnetic wave.
What is the skin?
This is the body's largest organ and first line of defence.
What is Saturn?
This planet is known for it's large ring system.
What is a physical change?
This type change alters appearance but not chemical composition.
Describe the process by which an igneous rock can be transformed into a sedimentary rock.
An igneous rock transforms into a sedimentary rock through the rock cycle processes of weathering, erosion, deposition, compaction, and cementation.
How does the speed of sound change when it moves from a gas to a solid?
The speed of sound dramatically increases when moving from a gas to a solid.
What is the corpus callosum?
This bundle of nerves fibers connects the brain's two hemispheres.
What is Ganymede?
This moon of jupiter is the largest in the solar system.
What is an acid?
This type of substance has a pH below 7 and tastes sour.
Why is the inner core of the Earth solid, while the outer core is liquid, even though the inner core is hotter?
The Earth's inner core is solid despite being hotter than the liquid outer core because the immense pressure at the planet's center raises the melting point of iron and nickel above the existing high temperature.
What happens to light when it interacts with different surfaces, such as a rough versus a smooth one?
When it strikes a rough surface, the light scatters in many different directions, allowing the object to be seen but without a clear reflection.
What is the thyroid?
This gland in the neck regulates metabolism.
What is hydrogen?
This is the most abundant element.
What is a covalent bond?
This type of bond forms when atoms share electrons.
What is the primary source of energy that drives the water cycle?
The Sun is the primary source of energy that drives the water cycle, providing the heat necessary for water to evaporate from oceans, lakes, and rivers, and rise into the atmosphere.
What is the primary difference in the medium required for light and sound to travel?
The primary difference in the medium required for light and sound to travel is that sound needs a medium, while light does not.
What is a myocardial infarction?
This is the medical term for a heart attack.
What is carbon dioxide?
This gas, made of one carbon and two oxygen admins, is exhaled by humans.
What are chemical and physical interactions?
These processes explain how atoms and molecules combine and change to form matter.
What is the key difference between weathering and erosion, and how do they work together to shape Earth's surface?
The key difference is that weathering breaks down rocks and minerals, while erosion transports the resulting fragments.
Why can we see objects in space, but we cannot hear sound there?
We can see objects in space because light waves do not need a medium to travel and can pass through the vacuum of space.