an outdoor area where children can play
playground
a person who studies people and things
scientist
an area with black material:
blacktop
a machine that is controlled by a computer and can do the work of a person:
robot
to save someone or something from danger:
rescue
able to cause harm, injury, or pain:
dangerous
not easy; hard to do
difficult
something bad that happens quickly (tornado, flood, fire)
disaster
broken pieces of stone or brick
rubble
to fix
repair
a plank for children to play on that is balanced in the middle on a raised bar with one end going up while the other goes down
seesaw
to make something, such as your body) steady by keeping weight equal on all sides
balance
