Now, Super heroes, we are beginning the Unit 6 of Natural Science, it is fun an interesting!
Read the names of these simple machines and write it in your notebook to remember them.
The difference between simple and complex machines comes with the number of elements to compound that machine: when there is only one element it is simple; with two or more elements it is complex.
Think about all the machines from the picture. Are they important in you daily life?
How? Write the name of some important machines for you.
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