Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Drupal\Core\Controller\ControllerResolver->doGetArguments() (line 139 of core/lib/Drupal/Core/Controller/ControllerResolver.php).
Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Drupal\Core\Controller\ControllerResolver->doGetArguments() (line 139 of core/lib/Drupal/Core/Controller/ControllerResolver.php).
Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Twig_Template->getAttribute() (line 580 of vendor/twig/twig/lib/Twig/Template.php).
Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Twig_Template->getAttribute() (line 580 of vendor/twig/twig/lib/Twig/Template.php).
Snelheid
Introduceer de kern van het wetenschappelijk concept door wandelen, joggen en sprinten te laten opmeten met een meetlint en een chrono.
Voor een detailuitwerking van deze les fase zie hieronder.