a bear
A bear came near our camping site last night.
A bear came near our camping site last night.
a continent
Antarctica is a really cold and icy continent.
Antarctica is a really cold and icy continent.
a desert
We stayed in a tent under stars in the desert.
We stayed in a tent under stars in the desert.
to destroy
Fires can destroy forests and kill many animals.
Fires can destroy forests and kill many animals.
a disaster
The earthquake was a terrible disaster for them.
The earthquake was a terrible disaster for them.
to discover
We might discover new plants in the forest.
We might discover new plants in the forest.
a discovery
That new frog was an amazing scientific discovery.
That new frog was an amazing scientific discovery.
the earth
The Earth has seven continents and many oceans.
The Earth has seven continents and many oceans.
an environment
Factories often damage the environment with smoke.
Factories often damage the environment with smoke.
to feed
Don’t forget to feed the cat.
Don’t forget to feed the cat.
a field
The cows are sleeping in the big field.
The cows are sleeping in the big field.
a forest
They found mushrooms in the forest after the rain.
They found mushrooms in the forest after the rain.
a frog
The green frog jumped into the small pond.
The green frog jumped into the small pond.
a grass
We sat on the grass and ate lunch.
We sat on the grass and ate lunch.
a ground
There were leaves and mud on the ground.
There were leaves and mud on the ground.
a hill
We climbed the hill and saw the city.
We climbed the hill and saw the city.
a monkey
We saw monkeys playing in the trees in Thailand.
We saw monkeys playing in the trees in Thailand.
a moon
The full moon looks really bright tonight.
The full moon looks really bright tonight.
a nature
Did you enjoy spending time in nature?
Did you enjoy spending time in nature?
a ocean
The ocean is deep, wide, and full of life.
The ocean is deep, wide, and full of life.
a pet
Do you have any pets?
Do you have any pets?
a planet
Did they find water on another planet?
Did they find water on another planet?
a pollution
They fight against pollution to protect the environment.
They fight against pollution to protect the environment.
to protect
They protect the forest by planting new trees.
They protect the forest by planting new trees.
a rock
Did you spot fish hiding under the rock?
Did you spot fish hiding under the rock?
to save
We should save water during the hot summer.
We should save water during the hot summer.
a smoke
Black smoke came from the burning forest trees.
Black smoke came from the burning forest trees.
a spider
Spiders often live in dark and quiet places.
Spiders often live in dark and quiet places.
a stones
Have you ever thrown stones into a river?
Have you ever thrown stones into a river?
a waves
We watched the waves crash against the rocks.
We watched the waves crash against the rocks.
wild
Are those dogs wild or do they have owners?
Are those dogs wild or do they have owners?