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Semester 2 Science Finals Review

Total questions: 44

Worksheet time: 33mins

Name
Class
Date
1.

What are fossils?

a)

Fossils are artifacts from ancient civilizations.

b)

Fossils are living organisms.

c)

Fossils are rocks found in rivers.

d)

Fossils are the remains or traces of animals, plants, and other organisms that lived long time ago.

2.

What is the process by which plants release oxygen and take in carbon dioxide.

a)

Photosynthesis

b)

Fermentation

c)

Respiration

d)

Transpiration

3.

Which group of animals does not have a backbone?

(a)  

4.

What is the male part of a flower called?

Hint: it produces pollen.

a)

stamen

b)

petal

c)

pistil

d)

pollen

5.

How do dandelion seeds disperse?

(a)  

6.

In which type of rock can we find fossil?

a)

Sedimentary rocks

b)

Metamorphic rocks

c)

Igneous rocks

7.

What era is known as the 'Age of Reptiles'?

a)

Mesozoic Era

b)

Cenozoic Era

c)

Precambrian

d)

Paleozoic Era

8.

How do coconuts disperse their seeds?

a)

by animals

b)

by water

c)

by wind

d)

by bursting

9.

Which era is known as the 'Age of Mammals'?

a)

Cenozoic Era

b)

Mesozoic Era

c)

Precambrian

d)

Paleozoic Era

10.

Which of the following is not part of the circulatory system?

a)

heart

b)

arteries

c)

veins

d)

lungs

11.

Arteries carry blood with __________________.

a)

oxygen

b)

nutrients

c)

carbon dioxide

d)

food

12.

What does the circulatory system do?

a)

Breaks down our food

b)

Decide our traits

c)

Transports blood throughout our body

13.
What is the function of the heart?
a)
To pump blood around the body
b)
To remove oxygen from the blood
c)
To allow blood to flow through it 
d)
To breath
14.
What is the main organ in the circulatory system?
a)
vein
b)
lung
c)
heart
d)
aorta 
15.
What do the arteries do?
a)
pumps blood to the heart
b)
pumps blood to and from the heart
c)

carries blood away from the heart 

d)
a muscle 
16.

What do veins do?

a)

carry oxygen-rich blood away from the heart

b)

carry oxygen-rich blood towards the heart

c)

carry oxygen-poor blood towards the heart

d)

carry oxygen-poor blood away from the heart

17.

The animal in the picture is a(n) ______ because it has a ______.

a)

invertebrate ... backbone

b)

vertebrate ... backbone

c)

reptile ... backbone

d)

backbone ... skeleton

18.

All the animals in the pictures are

a)

swimming.

b)

mollusks.

c)

reproducing.

d)

invertebrates.

19.

A ________ is a framework that shapes and supports an animal, protects its internal organs, and allows it to move in its environment

a)

endoskeleton

b)

exoskeleton

c)

skeleton

d)

muscular system

20.

__________ is a gas as that almost all living animals need to breathe.

a)

carbon dioxide

b)

helium

c)

oxygen

d)

nitrogen

21.

The structure that protects the brain is called the (a)   .

22.

One of the main function of this structure is to pump blood to all the parts of our body.

(a)  

23.
The outer covering of birds is made of ______.
a)
fur
b)
scales
c)
feathers
d)
metal
24.

A body part on the outside of an animal that helps it survive is called a(n) _____

a)

internal structure

b)

external structure

c)

organism

d)

adaptation

25.

Something inside an animal that helps it survive is called a(n) _______

a)

organism

b)

shelter

c)

external structure

d)

internal structure

26.

What are "structures"?

a)

Something's job

b)

A change a plant makes to fit better with where it lives

c)

The organized parts of something

d)

Sunglasses

27.

"photo" in the word photosynthesis means...

a)

Picture

b)

Light

c)

Selfie

d)

Making

28.

What are the things that a plant need for photosynthesis?

(Select all that applies)

a)

Sunlight

b)

Oxygen

c)

Water

d)

Carbon Dioxide (CO2)

e)

Sugar

29.

What is created from photosynthesis?
Select all that applies.

a)

Oxygen

b)

Seeds

c)

Light

d)

Sugar

30.

Little holes in the leaf that let gasses in and out are called...?

a)

chloroplasts

b)

stoma or stomata

c)

phloem

d)

xylem

31.

The two types of vascular structures in plants are called?

a)

Xylem

b)

Mitochondria

c)

Tony

d)

Phloem

32.
Bees carry _________ from one plant to another.
a)
water
b)
dirt
c)
pollen
d)
nectar
33.

A paleontologist is __________.

a)

a kind of tree sap

b)

a tool used to dig for fossils

c)

an animal that only eats plants

d)

a scientist who studies fossils.

34.

Look at the diagram.

Which fossil is the oldest?

a)

A

b)

B

c)

C

d)

D

35.

What is sediment?

a)

A scientist who studies about fossils.

b)

The harden part of an animal that died long time ago.

c)

Different kinds of soil, rock, sand and clay that was built on fossils.

36.

Which of the following is NOT an event caused by movement of tectonic plates?

a)
Tsunamis
b)

Drought

c)
Earthquakes
d)
Volcanic eruptions
37.

The Ring of Fire has a high amount of which natural hazard?

a)

Earthquakes

b)

Volcanic Eruption

c)

Tsunamis

d)

All of the above

38.

Earthquakes, Volcanic Eruptions, and Tsunamis all occur near tectonic plate boundaries.

a)

True

b)

False

39.
The area around the Pacific Ocean where lots of earthquakes and volcanoes happen is called the ____________.
a)
Ring of Earth
b)
Ring of Fire
c)
Ring of Stone
d)
Ring of Diamond
40.

Many earthquakes happen along the borders of...

a)

Countries

b)

Tectonic Plates

c)

Climate Zones

d)

Mountains

41.

What are the puzzle pieces of the Earth's surface called?

a)

Tectonic plates

b)

Subductions

c)

Earthquakes

d)

Convergents

42.

Heat and ____________ can change sedimentary rock into metamorphic rock.

a)

Pressure

b)

Melting

c)

Cooling

43.

Igneous rocks form from the __________ of magma or lava.

a)

Pressure

b)

Cooling

c)

Heat

44.

Which type of rock often contains fossils?

a)

Sedimentary rocks

b)

Metamorphic rocks

c)

Igneous rocks