Birds have f______rs to help them keep warm.
feathers
A________ns can live on land and in water. They have wet skin and lay soft eggs in water.
Amphibians
M______ls don't lay eggs. They give birth to young babies alive.
Mammals
Fish have gills to help them b_________e.
breathe
Alligators, turtles and lizards are not amphibians. They belong to r______es.
reptiles
An e______e is a shaking of the ground. It's a natural disaster.
earthquake
The ship sank into the ocean. Luckily, everyone on the ship e______ed. No one was hurt.
escaped
Black tea and juice are l______ds, not solids.
liquids
Popsicles can m____t when they heat up.
melt
Can you boil some water with the k______e over there, please?
kettle
My parents don't get news from newspapers. They read news on the I_______t.
Internet
My brother rode his new m_______e to work today.
motorcycle
In the morning, the train is always c_______d with people.
crowded
We need to arrive at the a_______t before 10 o'clock , or we'll miss the flight.
airport
That man s______e some money from his friends.
stole
When the t_____ l________ turns green, you can cross the street.
traffic light
