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# Basic Topics

### To get under way

Question | Answer |
---|---|

Which has more mass, a kg of feathers or a kg of nails? | They are both the same. |

Which has more volume, a liter of milk or a liter of iron? | They are both the same, but a liter of iron is heavier. |

Which is the unit of length in the International System of Units? | Meter. |

Which is the unit of surface in the International System of Units? | Square Meter. |

Which is the unit of speed in the International System of Units? | Meter per second (m/s) |

Cubic meter is unit of .... | Volume in the international System of Units. |

Give one unit of temperature. | Celsius degree (ºC) |

Name the S.I. units for Mass, Length and Time | Kilogram (kg), Meter (m), Second (s) |

Kilometer per second is unit of ..... | Speed. |

Square inch is unit of ..... | Surface. |

Square decimeter is unit of .... | Surface. |

A meter is equivalent to ______ centimeters | A hundred (100) |

A cubic meter is equivalent to _________ liters. | A thousand (1000) |

Write in scientific notation 21400 cm | 2,14 · 10^(4) cm |

Write in scientific notation 7451 km | 7,451 · 10^(3) km |

Write in usual notation 5,11 · 10^(3) minutes | 5110 minutes |

Write in scientific notation 0,0024 hm | 2,4 · 10^(-3) hm |

Write in scientific notation 0,000 005 km | 5,0 · 10^(-6) km |

Write in usual notation 3,4 · 10^(-2) dam | 0,034 dam |

Give three units of volume | Liter, cubic meter, hundredth liter (for example) |