Front

Powder mixed with sand and water to make concrete.

Back

Cement

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.4.6

CCSS.L.K.5A

Front

Imaginary line around Earth's middle

Back

equator

Front

He hit the woman on the head accidentally and .................. her.

Back

stun

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.4.6

CCSS.RL.1.4

Front

Colorful sights at the seal's bottom:

Back

coral reefs

Front

A type of plant or animal

Back

species

Tags

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Front

Hospitals, museums, and schools are ...

Back

structures

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

Front

WWF was set up to help the __________ of wildlife.

Back

conservation

Tags

CCSS.L.2.4B

CCSS.L.2.4C

CCSS.L.3.2E

Front

Some snakes and mushrooms are...

Back

poisonous

Tags

CCSS.L.5.5C

Front

They stood on the edge of the ...................... and looked down at the sea.

Back

cliff

Tags

CCSS.L.5.5C

Front

Half the Amazon could be lost in 20 years due to deforestation.

Back

rainforest

Tags

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4