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Review Unit 4

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Unit 4 Review

Vocabulary
1.)
sedimentary rock

- Types of rock formed near the surface that are made from minerals and
organic materials and cemented underground.
2.)
ash

- Powder left after the burning of a substance.


3.)
discover

- To find (something or someone) unexpectedly or by searching


4.)
dinosaur

- Sir Richard Owen came up with the name dinosaur in 1841 to describe the
fossils of extinct reptiles. He coined the word by combining the Greek words
“deinos”, which means terrible, and “sauros”, which means lizard.
5.)
paleontologist

- a scientist who specializes in the study of life forms that existed in previous
geologic periods, as represented by their fossils.
6.)
examine

- inspect (someone or something) in detail to determine their nature or


condition; investigate thoroughly
7.)
ravine

- a deep, narrow gorge with steep sides.


8.)
pastime

- an activity that someone does regularly for enjoyment rather than work; a
hobby.
9.)
skull

- a framework of bone or cartilage enclosing the brain of a vertebrate; the


skeleton of a person's or animal's head.
10.)
excavate

- To make (a hole or channel) by digging.


11.)
layer

- a sheet, quantity, or thickness of material, typically one of several, covering


a surface or body.
Circle the best answers for each sentence.

Date: 05/02/2021
Ex. 1

1.)

They dug a very deep hole and discovered / layered there was
many layers of sedimentary rock / excavated.
Circle the best answers for each sentence.

2.)

The palaeontologist found a rare mineral in the discover / layers


of sedimentary rock while digging for the T-Rex.
Circle the best answers for each sentence.

3.)

Jennifer’s favorite pastime / layer is to dig for excavate / dinosaur


fossils.
Circle the best answers for each sentence.

4.)

The students climbed down into the examine / ravine to see the
layers of ash / sedimentary rock left from the volcanic eruption.
GRAMMAR
(VERBS FOLLOWED BY GERUNDS)

reco app
k e g ) mme reci
li n (rest nd
dis avati ing) ( l ea
rnin
ate
e x c g)
(
n g )
d y i
conside in e g ) ( s tu
r a g r in t o p
(going) im cove s
( di s
What is a gerund?
Ex. 2

Underline the verbs. Then circle the gerunds.


1.)
09/08/2021

Jack disliked excavating all the dirt in the tunnel.


Underline the verbs. Then circle the gerunds.
2.)

She appreciates learning English because she knows it


will be important for the future.
Underline the verbs. Then circle the gerunds.
3.)

I recommend resting for the rest of the day. You need


to keep the weight off your broken foot.
Underline the verbs. Then circle the gerunds.
4.)

Can you imagine discovering a new planet? It would


be so cool if I got to name a planet!
Underline the verbs. Then circle the gerunds.
5.)

Have you considered going to the Natural History museum?


Underline the verbs. Then circle the gerunds.
6.)

I won’t stop studying until I know all the material for


my maths test.
Teacher Steven and his students walked all day through the forest. In the
evening, they made camp in the middle of the dark forest. The forest was
very dark, and the students were getting scared. Teacher Steven decided
to make a fire and tell ghost stories.
Many historians enjoy searching for old weapons, helmets, and
ammunition. During WWI and WWII there were many battles across
the world. Bullets were fired from all sorts of guns and many soldiers
and civilians tragically lost their lives. Historians return to specific
locations where battles took place. At these places they find a variety of
old weaponry using metal detectors and infrared imaging.

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