This element has 6 protons in its nucleus, therefore it has an atomic number of 6. It is the main ingredient in organic compounds.
What is Carbon?
100
This process takes energy from sunlight, carbon dioxide from the air, and water from the roots to produce glucose and oxygen. It occurs only in plants in the chloroplasts.
What is photosynthesis?
100
This element has a full valence shell with 2 electrons. It is one of the noble gasses and has an atomic number of 2.
What is Helium?
100
Name the planets in our solar system radiating from the sun outward.
This type of cell has a cell wall AND a cell membrane, it usually has chloroplasts and can conduct photosynthesis.
What is a plant cell?
200
This type of energy is stored in the chemical bonds between atoms and molecules. It is often stored as food or in batteries.
What is Chemical energy?
200
What is the difference between monocots and dicots?
Monocots produce ONE leaf when they germinate. They are flowering plant types such as grains, grasses, corn, and bamboo. Dicots produce TWO leaves when they germinate and are things like vegetables, bulbs, and flowers.
200
This element has an atomic number of 8 and can form 6 bonds with other atoms. It makes up 1/3 of a water molecule.
What is Oxygen?
200
This is the name of the large shield volcano on Mars.
What is Olympus Mons?
300
This mineral is #3 on Moh's hardness scale, it is often clear or slightly cloudy. Its main ingredient is calcium carbonate and it is often used in concrete and in mineral supplements.
What is Calcite?
300
This part of the plant connects the leaf to the node on the stem.
What is a petiole?
300
This element, being on the far left side of the periodic table, is highly reactive because it has only 1 outer electron. It has an atomic number of 3 and is used in some medications.
What is lithium?
300
This type of star is the final stage in the life of a star which does not become a neutron star. It is very dense, but not super bright.
What is a White Dwarf?
300
These organelles are the recyclers of the cell. The take large cell parts or chunks of other cells and break them back down to proteins to be used again.
What are lysosomes?
400
This mineral is naturally translucent, but comes in many colors. It is very hard, and represents a 9 on Moh's hardness scale. With different impurities, it can form rubies or sapphires. It is commonly used as an abrasive.
What is a Corundum?
400
This is the starch that surrounds the embryo in a seed.
What is an endosperm?
400
This element has an atomic number of 7 and is a gas at room temperature. It is the most common element in the atmosphere.
What is Nitrogen?
400
This is the proper name of a "falling star." These are actually pieces of comets, asteroids, or ejection debris which results from impact with a moon.
What is a meteor?
400
Cells like to maintain this constant pH, or measure of acidity and alkalinity. This is neutral on the pH scale.
What is pH of 7.
500
This is an active volcano in southern Mexico. Its eruption in 1892 killed over 2,000 people, covered a 8km radius in lava, and sent toxic ash spewing into the air.
What is El Chichon?
500
This type of tree has leaves which lose chlorophyll in response to lower temperatures and shorter days. The leaves change color then fall from the tree, but will re-grow next spring.
What are deciduous trees.
500
This element has the atomic symbol Pb and 82 protons in the nucleus. It is very dense and is often used in fishing sinkers and containers to hold radioactive materials.
What is lead?
500
This space within the outer part of the C Ring of Saturn is thought to contain a moon, but none has ever been discovered.
What is the Maxwell Gap?
500
These are holes in the membrane surrounding the nucleus. They allow RNA and some proteins to move in and out of the nucleus of the cell.