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Worksheets

Y8 Final Revision 2

Total questions: 43

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

Which of the following is MOST reactive?

a)

Magnesium

b)

Lead

c)

Tin

d)

Copper

e)

Zinc

2.

Which metal is more reactive than calcium?

a)

magnesium

b)

potassium

c)

silver

d)

aluminum

3.

Choose the least reactive metal

a)

calcium

b)

magnesium

c)

iron

d)

copper

4.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
5.
A(n) ______ is a substance with a pH less than 7
a)

Acid

b)

Alkaline

c)

Base

d)

Buffer

6.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
7.

Steel generally speaking is made of

a)

iron and carbon

b)

copper and iron

c)

tin and carbon

d)

aluminum and nickel

8.

A mixture of metals is called an (a)   .

9.

Many alloys are softer than the elements that are in them.

a)

True

b)

False

10.

Steels are alloys of (a)   .

11.

Pure iron is _________________ .

a)

soft and weak

b)

hard and stong

c)

bendy and brittle

12.

What happened on Thursday?

a)

Cookie sales went up

b)

Cookie sales went down

c)

Cookie sales stayed the same

d)

6 boxes were sold

13.
When was the greatest amount of shoppers at the store?
a)

10am

b)

1pm

c)

6pm

d)

2pm

14.

Mushrooms and mold are in what kingdom

a)

Fungi

b)

Protist

c)

Plant

d)

Animal

15.

Tomato plants and oak trees are in what kingdom

a)

Fungi

b)

Plants

c)

Protists

d)

Animal

16.

Tigers, Jellyfish, Gorillas and Sponges are all part of kingdom _______.

a)

Animal

b)

Plant

c)

Fungi

d)

Bacteria

17.

what kingdom?- multi-celled, autotroph (able to produce its own food through the process of photosynthesis.)

a)

animal

b)

plant

c)

protist

d)

fungi

18.

Which of the following best describes a genus?

a)

A group of closely related species that share similar characteristics

b)

A group of organisms that share the same habitat

c)

A type of ecosystem found in the tropics

d)

A classification level between family and species

19.

the largest division used to classify living things

a)

Class

b)

Domain

c)

Genus

d)

Species

20.

a group of related plant species or animal species

a)

Family

b)

Cousins

c)

Genus

d)

Species

21.
In the 8 levels of classification which level is the broadest category? 
a)
Kingdom
b)
Family
c)
Species
d)
Domain
22.
Organisms that belong to the same _________ share the MOST DNA.
a)

family

b)

kingdom

c)

genus

d)

species

23.

What is the hard outside of the seed called?

a)

seed coat

b)

embryo

c)

food storage

d)

seed jacket

24.

What is inside a seed?

There is more than one answer.

a)

embryo

b)

mouse

c)

leaves

d)

food

25.

What happens to fruit on a tree when it is ripe?

a)

It dies.

b)

It falls to the ground.

c)

Nothing

26.

What do seeds need to germinate (grow into a new plant)? (You may select more than one answer)

a)

Air (oxygen)

b)

Water

c)

Warmth

d)

All answers

27.
What is light?
a)

A type of sound wave

b)

A type of solid material

c)

A form of energy that enables us to see things around us

d)

A type of gas

28.
How many colours are in the visible spectrum of light?
a)

7

b)

3

c)

5

d)

10

29.
What is the order of the colours in the visible spectrum of light?
a)
VIBGYOR
b)
ROYGBIV
c)
ROYBIVG
d)
BIVGYOR
30.
What is a filter?
a)

A type of bulb

b)

A type of mirror

c)

A type of lens

d)

A material that can block or allow certain wavelengths of light to pass through

31.
What does a red filter do?
a)
Only allows green light to pass through and absorbs all other colours
b)
Only allows red light to pass through and absorbs all other colours
c)
Only allows yellow light to pass through and absorbs all other colours
d)
Only allows blue light to pass through and absorbs all other colours
32.
What is reflection?
a)

When light passes through a surface

b)

When light bounces off a surface

c)

When light changes colour

d)

When light disappears

33.
What is the law of reflection?
a)

The incidence angle is smaller than the reflection angle

b)

The incidence angle is equal to the reflection angle

c)

The incidence angle is opposite to the reflection angle

d)

The incidence angle is greater than the reflection angle

34.
What are the primary colours?
a)
Red, blue, and green
b)
Red, green, and yellow
c)
Green, yellow, and blue
d)
Red, yellow, and blue
35.

What happens when white light when it hits a green tree leave?

a)

The white light is absorbed and all light is reflected

b)

Most of the white light is absorbed but the green colour is reflected

c)

The green light is absorbed by the Chlorophyll

d)

All colours are reflected

36.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
37.
Is a convex lens thicker or thinner in the middle?
a)

Thicker 

b)

Thinner 

38.

The human body breathes out (a)   .

39.

The tube that leads from the pharynx to the lungs is called the ________.

a)

trachea

b)

esophagus

c)

epiglottis

d)

vocal chords

40.

(a)   and mucus trap dust, dirt, and other particles to help keep the respiratory system clean.

41.

Label the respiratory system

42.

Choose the best way to write the sentence:

"Most cells, that is called the nucleus, have a part in the center that controls the cell."

a)

Most cells, that is called the "nucleus," have a part in the center that controls the cell.

b)

Most cells, the "nucleus" have a part in the center that controls the cell, that it is called.

c)

Most cells, that is, called the "nucleus," have a part in the center. A part that controls the cell.

d)

Most cells have a part in the center that controls the cell, and it is called the "nucleus."

43.

The fluid that delivers oxygen, hormones, and nutrients to the cells and carries away wastes

a)

Platelets

b)

Blood

c)

Plasma

d)

Hemoglobin

e)

White Blood Cells