A common race is a 5 K race, where runners travel 5 kilometers. Is it more appropriate to report the distance as 5 kilometers or \( 5 \times 10^{6} \) millimeters? Explain your reasoning.

1. Can you think of some ways that you use energy everyday? 2. Can you think of a time when you've had both potential and kinetic energy? How could you have more of each type? 3. Are there any words you know that sound similar to any of the vocabulary in the reading? How do the meanings of those words compare to these?

9. Consider the daily life of an Ancient Indian using the numeral system described in the Bakhshali Manuscript. How might these numerals be used in trade or other practical applications?

What is an unprotected railroad crossing? a) A railroad crossing without a fence surrounding it b) A railroad crossing without flashing lights or barricades c) A railroad crossing with flashing lights or barricades d) Stopping on top of the railroad tracks

What household items weigh 100 grams?

1.2 Indicate whether the following statements are TRUE or FALSE by writing only 'True' or 'False' next to the question number (1.2.1-1.2.9) in the ANSWER BOOK. \( \begin{array}{ll}\text { 1.2.1 In terms of the law all tyres must be replaced if less than one } \\ \text { millimetre of tyre tread is measured over the total width of the tyre. }\end{array} \)