Ticktock Banneker's Clock

What is a cause?

• an event that explains WHY something happens

• the RESULT of what happened

What is an effect?

• an event that explains WHY something happens

• the RESULT of what happened

The spelling words were really hard, so Bob got 2 of them wrong.

What is the effect?

• the spelling words were really hard

• Bob got 2 spelling words wrong

• the spelling words were too easy

How did Benjamin get a pocket watch?

• it was a gift

• a friend let him borrow it

• he bought it from a tradesman

• he found it on the ground

What did Benjamin do BEFORE building his own clock?

• he made sketches and studied all the pieces of the clock

• he didn't build his own clock

• he asked a friend to help him build it

How did Benjamin's clocks fail at first?

• some pieces were too big and some were too small

• the batteries died

• the wooden pieces broke

It took Benjamin 4 years of hard work to build the clock.

• True

• False

What part of the clock could NOT be made from wood?

• the hands

• the bell

• the stand

What skill helped Benjamin make his clock?

• he was good at math which helped him make pieces the right size

• he was good at reading which helped him read the directions

• he was good at writing which helped him write down the steps

How were weights used in mechanical clocks?

• to keep the clock from falling over

• to make the clock workers strong

• to keep the wheels inside the clock moving