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WorksheetsUnit 7: Forms of Energy
Total questions: 26
Worksheet time: 24mins
___________________ is energy in the form of heat
__________________ es energía en forma de calor
Radiant Energy
Mechanical Energy
Thermal Energy
Potential Energy
_______ is a form of kinetic energy that an object has because of its motion or its position; Movement energy (Example: wind makes a windmill’s arm turn and creates electricity).
______ es una forma de energía cinética que tiene un objeto debido a su movimiento o su posición; Energía de movimiento (ejemplo: el viento hace girar el brazo de un molino de viento y genera electricidad).
Nuclear Energy
Mechanical Energy
Radiant Energy
Solar Energy
What kind of energy transformation needs to occur for drivers to see the flashing warning signal on this school zone sign?
¿Qué tipo de transformación de energía debe ocurrir para que los conductores vean la señal de advertencia intermitente en esta señal de zona escolar?
electrical to sound
light to electrical
thermal to electrical
microwave to electrical
What type of energy allows you to see the images and texts on your cell phone screen?
¿Qué tipo de energía te permite ver las imágenes y los textos en la pantalla de tu celular?
Sound
Thermal
Magnetism
Light
Video gaming systems, like Xbox and PlayStation, and TVs need to be plugged into a socket in order for them to work. Which type of energy provides power for these systems?
Los sistemas de videojuegos, como Xbox y PlayStation, y los televisores deben estar conectados a un enchufe para que funcionen. ¿Qué tipo de energía proporciona energía a estos sistemas?
Electrical
Thermal
Mechanical
Solar
A music amplifier is intended to convert ______________ energy into sound energy.
Un amplificador de música está diseñado para convertir la energía ______________ en energía sonora.
light
mechanical
electrical
radiant
On a warm sunny day, a turtle sits on a rock. Which term explains why the turtle feels the warmth from the sun?
En un día cálido y soleado, una tortuga se sienta sobre una roca. ¿Qué término explica por qué la tortuga siente el calor del sol?
electrical
light energy
mechanical
thermal energy
What kind of energy transformation is needed for this girl to hear the music in her head phones?
¿Qué tipo de transformación de energía se necesita para que esta chica escuche la música en sus auriculares?
electrical to sound
mechanical to sound
sound to electrical
sound to mechanical
Brayson made the circuit shown here in his science class. What is the most likely reason that the bulb is not lit?
The bulb is cracked.
He did not use the right size battery.
He used too many pieces of wire.
He left the switch open.
Students are using the set-up pictured here to test how energy can move through a circuit. In order to complete this circuit, they should connect wires between which two points?
A and C
A and B
A and D
B and D
The picture shows a(n) ________________ circuit.
The picture shows a(n) ________________ circuit.
Stephanie pours equal amounts of hot water into four cups. Each cup is made of a different material. She puts a thermometer into each cup and collects information using a stopwatch to indicate when 3 minutes have elapsed.
She constructs a chart to organize her data. What data will she add to her chart?
four types of material and different temperatures
similar materials and similar temperatures
similar temperatures for each type of material
four types of material and three different temperatures
Differentiate between conductors and insulators. Which material keeps heat out of a garden shed during summer?
steel
wood
copper
aluminum
Deborah needs a good insulator. Which material should she choose?
iron
steel
foam
copper
Liam places ten cold items in a metal lunchbox and ten cold items in a foam lunchbox to see if they will stay cold. He plans to collect data on his test when he gets to school.
Liam constructs a chart to describe how the items feel after he arrives at school. He then analyzes the data. What does he conclude about the insulating ability of the lunchboxes?
Metal is better than foam.
Foam is better than metal.
Neither kept the items cold.
Foam and metal are equal.
Differentiate between conductors and insulators. Which of the following is a good conductor?
wood chips
plastic bags
newspaper
copper wire
What is electricity?
flow of electricity through a circuit
energy transferred from the flow of electrons
a pathway that prevents the electric current from flowing freely
a pathway that allows the current to flow freely
What is an electrical current?
flow of electricity through a circuit
energy transferred from the flow of electrons
a pathway that prevents the electric current from flowing freely
a pathway that allows the current to flow freely
What is an open circuit?
flow of electricity through a circuit
energy transferred from the flow of electrons
a pathway that prevents the electric current from flowing freely
a pathway that allows the current to flow freely
What is a closed circuit?
flow of electricity through a circuit
energy transferred from the flow of electrons
a pathway that prevents the electric current from flowing freely
a pathway that allows the current to flow freely
When electricity travels through a circuit, the flow of electricity is called a current. What do circuits need to create an electrical current?
a source of electricity
a light bulb
two insulated metal wires
an iron nail
Look at the two circuits below. Why is the first light bulb is lit up?
It is an open circuit
It is a closed circuit
The circuit shown below is a closed circuit. What is the power source for the circuit?
Battery
Light bulb
Switch
Wires
