ENERGY TRANSFORMATION
This type of energy is produced by a tubelight.
light energy
This force pulls objects toward the center of the Earth.
Gravitational force
This device is used to measure temperature.
thermometer
You should turn these off when not in use to save energy.
Lights and appliances
The standard unit of weight.
newton (N)
In a radio, this type of energy is produced from electrical energy.
sound energy
This type of force is created when two surfaces rub together.
Frictional force
The reading on the thermometer is this when the mercury is at the 19th division above 90°C (20 divisions total
99.5
This label on appliances helps you choose energy-efficient ones
energy rating label
The standard unit of mass.
kilogram (kg)
This is the energy transformation in a solar panel
Solar to electrical
This force can attract or repel without contact.
magnetic force
This type of thermometer shows temperature on a screen.
digital thermometer
Name one way to dry clothes without using electricity.
drying them in the sun
The weight of an object on Earth is 120 N. What is its weight on the Moon?
20N
What kind of energy does a car use to produce mechanical energy?
chemical energy?
This is one way to reduce friction on a moving door.
oiling or lubricating
This liquid is often found in traditional glass thermometers.
mecury
Energy wastage increases this monthly household expense.
electricity bill
Mass remains the same, but this changes depending on gravity
weight
This appliance transforms solar energy into heat energy.
solar heater
What is the name of the force that slows a falling object due to air resistance?
frictional force
These are the two parts of a thermometer that make it work.
sensor and the scale?
Leaving this door open wastes energy in your kitchen.
refrigerator door
This is the relationship between weight on Earth and weight on the Moon.
1/6th or divide by 6