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Measures 9 skills from
Measures 9 skills from
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39 questions
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- Q1What happens to the energy when a ball is thrown into the air and then falls back down?The energy is created anew when the ball falls back down.The potential energy is converted to kinetic energy and vice versa.The energy is lost when the ball reaches its highest point.The energy is destroyed when the ball hits the ground.30sSC.7.P.11.3
- Q2When a light bulb is turned on, what type of energy transformation occurs?Electrical energy is destroyed and light energy is created.Electrical energy is transformed into light and heat energy.Mechanical energy is transformed into light energy.Heat energy is transformed into electrical energy.30sSC.7.P.11.3
- Q3What happens to the energy in a battery when it powers a toy car?Chemical energy in the battery is converted to electrical energy and then to kinetic energy.Electrical energy is converted to chemical energy and then to kinetic energy.Kinetic energy in the battery is transformed into chemical energy.Chemical energy in the battery is destroyed and new energy is created to power the car.30sSC.7.P.11.3
- Q4When a pendulum swings, what type of energy transformation can be observed?Potential energy is completely converted to heat energy.Kinetic energy is converted to potential energy and back to kinetic energy.New energy is created every time the pendulum swings.Kinetic energy is destroyed and only potential energy remains.30sSC.7.P.11.3
- Q5When you rub your hands together, why do they become warm?Mechanical energy is converted to thermal energy.Thermal energy is created from nothing.Mechanical energy is destroyed and thermal energy appears.Chemical energy is converted to thermal energy.30sSC.7.P.11.3
- Q6What energy transformation occurs when burning wood in a fireplace?Thermal energy is converted into mechanical energy.Light energy is converted into chemical energy.Chemical energy is converted into thermal and light energy.Chemical energy is destroyed and new thermal energy is created.30sSC.7.P.11.3
- Q7What type of energy transformation occurs in a hydroelectric dam?Potential energy of water is converted to kinetic energy, which is then converted to electrical energy.Electromagnetic energy is converted into potential energy.Potential energy is destroyed and new electrical energy is created.Kinetic energy is converted directly into light energy.30sSC.7.P.11.3
- Q8In an electric kettle, what type of energy transformation occurs to heat the water?Thermal energy is converted into electrical energy.Electrical energy is converted into thermal energy.Chemical energy is destroyed, and thermal energy is created.Mechanical energy is converted into chemical energy.30sSC.7.P.11.3
- Q9What type of energy transformation occurs in a solar panel when it generates electricity?Thermal energy is converted into electrical energy.Chemical energy is destroyed and electrical energy is created.Light energy is converted into electrical energy.Electrical energy is converted into light energy.30sSC.7.P.11.3
- Q10Which of the following is the dependent variable in an experiment designed to test the effect of sunlight on plant growth?The amount of waterThe growth of the plantsThe type of soilThe amount of sunlight30sSC.7.N.1.1
- Q11In a controlled experiment, which variable is deliberately changed to test its effect?Independent variableControl variableDependent variableConstant variable30sSC.7.N.1.1
- Q12What should you do after collecting data in a scientific investigation?Start a new experimentAnalyze the dataChange the independent variableFormulate a new hypothesis30sSC.7.N.1.1
- Q13When interpreting data from an experiment, what is the best way to present your findings?Conducting more experiments immediatelyUsing charts, tables, and graphicsWriting a long paragraphIgnoring unexpected results30sSC.7.N.1.1
- Q14What is the primary purpose of a hypothesis in a scientific investigation?To analyze informationTo collect dataTo measure the dependent variableTo propose a possible explanation or answer to a problem30sSC.7.N.1.1
- Q15In a scientific investigation, how should variables that are not being tested be handled?They should be measured separatelyThey should be changed frequentlyThey should be kept constantThey should be ignored30sSC.7.N.1.1