What type of energy use in our homes to power appliances?
Electrical
Materials that light can pass through are called _____ materials.
Transparent
In which bin do you throw out a milk carton?
In the yellow bin
I'm going to go deaf if you keep screaming like this. Which quality of sound is referred?
Loudness or intensity
What type of energy makes things to move and stop?
Mechanical energy
Name two artifical light sources
Light bulb and torch
In which bin do you throw out a jam jar?
In the green bin
A lamp transforms electrical energy into ________ energy.
light
An iron transforms electrical energy into _________ energy.
Thermal
Name four non- renewable sources of energy
Coal, nuclear, petroleum and natural gas
What type of thermal transfer is made by contact?
Conduction
In which bin do you throw out a newspaper?
In the blue bin
All voices and instrument have different type of sound. Which quality of sound is it?
Timbre
Name 6 types of energy
Mechanical, chemical, thermal, sound, light and electrical
A fan transforms electrical energy into _________ energy.
Kinetic
Name four renewable sources of energy
Solar, wind, hydroelectric and bioenergy
Materials that block light completely are called __________ materials
Opaque
Things like wood and food store ________________ energy in them.
Chemical
What type of energy make us able to see things?
Light energy
Mechanical energy is divided into....
Potencial and kinetic energy
Name two natural light sources
Sun and stars
What type of energy is stored in all matter?
Chemical energy
Which are the Three Rs?
Reduce, reuse and recycle
Materials that partially block light are called ________
Translucent