What reactants does photosynthesis need?
What is carbon dioxide and water?
How can deforestation be reversed?
What is planting trees?
How can you tell if a chemical reaction has taken place in a substance?
What is a completely different substance has formed?
Where is potential energy the greatest?
What is the highest point?
What is the effect on a mountain lion population if the deer population decreases?
What is decreases?
How does matter cycle through plants and animals?
What is plants make glucose, animals eat plants?
What impact would a growing human population have on fishing industry?
What is over fishing and ecosystem distruption?
Define crystal?
What is a cube shape structure with a definite pattern?
How do coal and oil form?
What is heat and pressure on dead organisms over thousands of years?
What are 3 physical properties of a chemical?
What state of matter, color, melting point, odor, density, conductivity?
What is the conservation of matter say? (the same number of each elements must be in the product as the produce)
What is matter can not be created or destroyed?
How would the decrease in a producer have on a predator?
What is decrease in predator population?
What do gold, oil and salt have in common?
What is all three are from the earth?
Describe kinetic energy of a roller coaster.
What is gains kinetic energy going down the hill and looses kinetic energy going up the hill?
What is one way humans have attempted to help coral reefs, but also harmed the environment?
What is submerging large structures for coral reefs to form on?
A small solid material forms in a test tube when sodium hydroxide is added. What is the best evidence that a chemical change has occurred?
What is a solid precipitate formed.
What is a mutualistic relationship?
What is both benefit from the relationship?
What does a chemical formula need in order to be balanced?
What is the same number of each element on the reactant side and product side?
What is a finite energy source?
What is coal, oil, natural gas?
What is the relationship between molecules and atoms?
What is molecules are made up of two or more atoms
In a chemical reaction, how does this process produce completely different molecules?
What is rearranging of molecules?
How can the biodiversity of pollinators be helped?
What is planting flowers and providing dwellings that that pollinators like?
What is an endothermic reaction?
What is a chemical reaction that absorbs heat from the environment lowering the temperature of the environment?
Which has more kinetic energy, an object dropped form one foot or an object dropped from ten feet?
What is the object dropped from ten feet?
How would invasive species and chemicals affect the biodiversity of rivers?
What is possible extinction of fish and aquatic plants?