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Things like wood and food store ________________ energy in them.
Chemical
Which are the Three Rs?
Reduce, reuse and recycle
In which bin do you throw out a newspaper?
In the blue bin
In which bin do you throw out a jam jar?
In the green bin
In which bin do you throw out a milk carton?
In the yellow bin
Name two natural light sources
Sun and stars
Name two artifical light sources
Light bulb and torch
Materials that light can pass through are called _____ materials.
Transparent
Materials that block light completely are called __________ materials
Opaque
Materials that partially block light are called ________
Translucent
Name four renewable sources of energy
Solar, wind, hydroelectric and bioenergy
Name four non- renewable sources of energy
Coal, nuclear, petroleum and natural gas
What type of energy is stored in all matter?
Chemical energy
What type of energy make us able to see things?
Light energy
What type of energy makes things to move and stop?
Mechanical energy
What type of energy use in our homes to power appliances?
Electrical
