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Physical
Life
Earth
100
What is matter
anything that takes up space
100
What are the differences between producers, consumers, and decomposers?
producers take energy from the sun, consumers take energy by eating, decomposers break down dead animal tissues.
100
How does wind happen?
When earth's surface is heated unevenly and high air pressure meets with low air pressure.
200
What are molecules, atoms, protons, neutrons, electrons, and compounds?
?
200
WHat are the purposes of cell membranes, chromosomes, and cytoplasm?
Membrane - protects cell cytoplasm - jelly substance transports genetic material and protects cells chromosomes - rod like structures that carry genes
200
Why is there an ocean breeze in the daytime?
The lang heats up quicker than the ocean, therefore the cold ocean air moves towards the land's warm air.
300
How are electric generators and electric motors
motors convert electric energy to motion energy (mechanicla), generators do the opposite.
300
How are veins, arteries, and capilaries different
Veins take deoxygenated blood back to the heart, arteries take oxygenated blood away from the heart and do the body, capilaries connect the veins and arteries and assist with oxygen transfer.
300
How are condensation and evaporation different?
Condensation - water vapor to rainwater (gas to water) evaporation - water to water vapor (water to gas)
400
Give the chemical formulas for salt, carbon dioxide, water, and sugar. Define all of them as metaloids, non-metals, and metals.
NaCl, CO2, C6H1206, H20 None can be defined, only elements can be classified on the periodic table. These COMPOUNDS are not on the P table
400
WHat are aveoli?
Tiny air sacs located at the ends of the bronchi in the lungs where oxygen enters and CO2 leaves the blood.
400
What is luster?
shine reflected by light.
500
1) What is the process of when CO2 converts straight from a solid to a gas? 2) What is the most abundant element that earth is made out of earth
1) sublimination 2)carbon
500
What percentage of the earth's atmosphere is oxygen and nitrogen? Which one can create a flame, and which distinguishes a flame.
Oxygen - 21% - makes fire nitrogen - 78% - puts out fire
500
What materials do plants need to undergo photosynthesis? What substances are created by photosynthesis? What traps the sunlight in the plant to start photosynthesis
1) CO2, light, water 2) oxygen, sugar (glucose) 3) chlorophyll