The wispy, feathery clouds that appear high in the sky and indicate a change of weather is coming.
What is cirrus clouds?
100
The name of the animal kingdom that contains mammals, reptiles, birds, fish and other animal species.
What is kingdom animalia?
100
The pulling force between all objects with mass.
What is gravity?
200
The fourth planet from the sun.
What is Mars?
200
Plant and animal cells have this flexible barrier to protect the organelles from the outside of the cell.
What is the cell membrane?
200
This layer of the atmosphere is the closest to Earth and is the layer where weather happens and we live.
What is the troposphere?
200
Rocks, dirt, weather, sunlight are all examples of this type of factor that influences ecosystems.
What is abiotic?
200
All matter has these two measurable properties.
What is mass and volume?
300
The phase of the moon where more than half of it is illuminated, but not quite all of it.
What is gibbous?
300
The site of protein synthesis (production) and the organelle that makes part of the endoplasmic reticulum (ER) "rough"
What are ribosomes?
300
The largest of these in the USA is the Chesapeake Bay and is indicated by brackish (salt and fresh water mix) water.
What is an estuary?
300
An organism that eats only plants is called this kind of consumer.
What is a primary consumer?
(Will also accept "first consumer")
300
A charged atom that forms due to the gain or loss of electrons.
What is an ion?
400
A clump of rock and ice that "grows" a tail as it gets closer to the Sun. Sometimes called a "dirty snowball."
What is a comet?
400
The passive process of moving water into or out of a cell, depends on the concentration gradient.
What is osmosis?
400
The process of breaking down rocks and dirt.
What is weathering?
(Erosion is the process of MOVING sediment and such)
400
This type of symbiosis benefits both species.
What is mutualism?
400
Group 18 on the periodic table. Very nonreactive elements.
What are Noble Gases?
500
These three different names describe a "shooting star" when it is in space, our atmosphere and on Earth.
They must be listed in the order mentioned above.
What is a meteoroid, meteor and a meteorite.
500
This process is often considered the opposite of photosynthesis since it uses oxygen and glucose (C6H12O6 - aka sugar) and creates carbon dioxide and water to give animal & plant cells energy.
What is cellular respiration?
500
What are two of the three main jobs of a wetland?
What is filtering (cleaning) water, providing habitat and protecting land from flooding?
(any two of the three will be accepted)
500
All conifers (cone bearing plants such as pine trees) are known by this scientific term which loosely translates to mean "naked seed"
What is a gymnosperm?
500
The chemical bond in compounds that forms when two or more atoms share valence electrons.