Flash 1 Flashcards
(103 cards)
What is amber?
A type of fossilized ancient tree resin.
What is a eukaryotic cell?
A cell that possesses a nucleus, unlike prokaryotic cells.
What are parrots known for?
Tropical birds known for their ability to imitate human speech.
How many pairs of chromosomes do humans have?
Humans have 23 pairs of chromosomes, which contain DNA.
What is bone?
A type of tissue that comprises the skeletal system.
What are ferns?
Plants that reproduce by releasing spores from their fronds.
What is a heart attack?
A medical event where blood flow to a portion of the heart is blocked.
What are impact craters?
Formed when meteorites or asteroids collide with Earth.
What are gamma rays?
High-energy ionizing radiation produced by astronomical objects.
What happened to Pluto in 2006?
Reclassified as a dwarf planet.
What is an asterism?
A recognizable pattern of stars that is not an official constellation.
What was Sputnik?
The first artificial satellite, launched by the Soviet Union.
What is a comet?
Often described as a ‘dirty snowball’ due to its icy composition.
What is the Great Red Spot?
A massive storm on Jupiter.
What is combustion?
An exothermic reaction that releases heat and/or light.
What is a Bunsen burner?
A lab burner named after German chemist Robert Bunsen.
What are noble gases?
A group of chemical elements with low reactivity.
What is carbon monoxide (CO)?
A diatomic compound of carbon and oxygen.
What is tungsten (W)?
A metallic element used in incandescent light bulb filaments.
Who is Gilbert N. Lewis?
Chemist known for classifying acids and bases.
What is filtration?
A process that separates solid particles from a liquid.
What are carcinogens?
Cancer-causing agents, such as arsenic (As).
What is Wi-Fi?
Network protocols that allow wireless internet connections.
What is an algorithm?
A sequence of instructions used for computation.