Physics and Energy
The two main categories of mechanical energy, one possessed by moving objects and the other by objects due to their position or condition.
What are kinetic energy and potential energy?
The three subatomic particles that make up an atom, along with their respective charges.
What are protons (+), neutrons (neutral), and electrons (-)?
The organelle known as the "powerhouse of the cell" because it produces ATP through cellular respiration.
What is the mitochondria?
The two primary gases in Earth's atmosphere that are most responsible for the greenhouse effect.
What are carbon dioxide (CO₂) and water vapor (H₂O)?
This ancient Greek philosopher is often called the "Father of Biology" and "Father of Zoology" for his systematic study of animals and classification systems, though he also wrote extensively on physics and metaphysics
Who is Aristotle?
If a student pushes a lab cart with a force of 50 Newtons over a distance of 4 meters, the amount of work performed is __________.
What is 200 Joules?
A change that results in the formation of a new substance with different properties, such as rust forming on iron.
What is a chemical change?
Two structures found in plant cells but not in animal cells.
What are cell wall and chloroplasts?
The most abundant gas in the Earth's atmosphere
What is nitrogen?
In the 1660s, this English scientist used a prism to split white light into a rainbow of colors, then used a second prism to recombine them—proving that white light is composed of all colors.
Who is Isaac Newton?
This law of physics states that energy cannot be created or destroyed, only transformed from one form to another.
What is the Law of Conservation of Energy?
student mixes sand, salt, and iron filings. Describe a procedure to separate all three components using their physical properties.
(1) use a magnet to remove iron filings, (2) add water to dissolve salt, (3) filter to separate sand, (4) evaporate water to recover salt
The longest type of cell in the human body
What is a neuron?
This type of rock forms when magma or lava cools and solidifies, such as granite or basalt.
What is an igneous rock?
In 1928, this Scottish biologist returned from vacation to find a mysterious mold growing in one of his petri dishes that had killed the bacteria around it—leading to the world's first antibiotic.
Who is Alexander Fleming?
On a cold day, a metal doorknob feels colder to the touch than a wooden door, even though both are at the same temperature. This is because metal is a better example of this.
What is a conductor?
A substance that has a definite volume but not definite shape is in the _______ phase.
What is liquid?
The largest organ in the human body
What is the skin?
In an ecosystem, the primary role of decomposers is______.
a. They produce energy for primary consumers.
b. They recycle nutrients back into the soil.
c. They compete with herbivores for resources.
d. They compete with herbivores for resources.
b. recycle nutrients back into the soil
It is the formal scientific name for the virus that causes COVID-19
What is SARS-CoV-2 ?
An ambulance siren sounds higher-pitched as it approaches you and lower-pitched as it moves away. This phenomenon is named after this Austrian physicist.
What is the Doppler Effect
Density, melting point, malleability, hardness, and color are all examples of _______ properties.
What are physical properties?
organization, homeostasis, metabolism, growth, reproduction, and responsiveness
Which of the following is an abiotic factor in an ecosystem?
Bird
Tree
Rock
Deer
rock
This tiny freshwater animal can survive extreme conditions: complete dehydration, temperatures near absolute zero, radiation hundreds of times lethal to humans, and even the vacuum of space.
What is a tardigrade?