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SCIENCE UNIT 2 CH 1

Science chapter 2

QuestionAnswer
A set of interacting parts forming a complex whole System
To move from one object to another or one place to another Transfer
The ability to make things move or change Energy
Information about the natural world that is used to support or go against a claim Evidence
The energy that is stored in an object or system Potential Energy
The energy that an object has because it is moving Kinetic Energy
A machine that can convert kinetic energy into electrical energy Generator
To change from one type to another Convert
The process of making clear how your evidence supports your claim Reasoning
A proposed answer to a question about the natural world Claim
A claim supported by evidence Scientific Argument
Both living and nonliving things can have __________ energy
What is the goal of the energy system in regards to EFFICIENCY? To get all the energy out that you put in the system
T OR F Objects make their own energy F
T OR F Only living things have energy F
T OR F Objects get energy from other objects that have energy T
Is energy converted or transferred from the battery to a flashlight? Transferred
Is energy converted or transferred from chemical energy in the battery to light energy in the flashlight? Converted
The Law of Conservation of Energy states that: Energy cannot be created or destroyed, only transferred from one object to another
______ energy in food is converted to _______, _______, and _________ in our bodies Chemical; motion; sound; thermal
A photo taken of the Pole Star with long exposure shows all the stars going around the pole star. SCIENTIFIC CLAIM, EVIDENCE, OR REASONING? EVIDENCE
During a plant study, We saw an average of 0.5 mm growth in height in a 24 hour period. We took measurements at the same time each day for each plant. Therefor the evidence supports the claim. SCIENTIFIC CLAIM, EVIDENCE, OR REASONING? REASONING
A person's height decreases during the day as gravity pulls down on a person's body. SCIENTIFIC CLAIM, EVIDENCE, OR REASONING? SCIENTIFIC CLAIM
Electrical energy is converted to _______ energy in a toaster thermal
Chemical energy is converted to ________ and thermal energy in a car mechanical
T OR F Nothing creates energy. If something has energy, the energy must have been transferred from something else. T
Renewable energy sources... Energy sources that can be replenished in a short period of time and won't run out
List 5 renewable energy sources 1. Solar 2. Wind 3. Hydro-power 4. Geothermal 5. Biomass
Solar Energy made by light
Wind Energy made by wind
Hydro-power Energy made by water
Geothermal Energy made by heat inside the earth
Biomass Organic matter used as fuel
NON-renewable energy sources... Energy sources that cannot be replenished in a short time and will run out
List 5 NON-renewable energy sources 1. Coal 2. Petroleum 3.Natural Gas 4. Uranium 5. Propane
Created by: $Addison$
 

 



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