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SIPC G7 Unit test 1

Total questions: 40

Worksheet time: 28mins

Name
Class
Date
1.

Which of these are NOT a greenhouse gas?

a)

CO2

b)

CFC

c)

SO2

d)

F

2.

the increase in the greenhouse effect is

a)

storms

b)

global warming

c)

climate change

d)

greenhouse effect

3.

What is matter?

a)

tiny particles

b)

dust particles

c)

elements

d)

compounds

4.

Which of these are a part of the Dalton's atomic theory

a)

all matter is made up of tiny particles called atoms

b)

during physical reactions, atoms rearrange to make new substances.

c)

all particles are density

d)

atoms can be destroyed and created

5.

Which is a physical change?

a)

cutting paper

b)

burning paper

c)

rusting

d)

decomposing

6.

Which breathing problem is caused by air pollution?

a)

asthma

b)

bronchitis

c)

cancer

d)

diabetes

7.

Which is the best description for the following photo?

a)

single

b)

compound

c)

mixture

d)

Homogeneous

8.

What is the name of this molecule?

a)

oxygen monoxide

b)

oxygen

c)

dioxide

d)

oxygen gas

9.

Each element is made up of of just one type of

(a)  

10.

All the atoms in any particular _______ are identical.

a)

atom

b)

element

c)

compound

d)

mixture

11.

Mg is

a)

magnesium

b)

manganese

c)

mango

d)

molybdenum

12.

How many atoms are in CH4O

a)

4

b)

3

c)

6

d)

5

13.

When 4 g of zinc reacts with 1 g of oxygen, what mass of zinc oxide is produced?

a)

5 grams

b)

4 grams

c)

3 grams

d)

6 grams

14.

What is the name of this structure?

a)

H20

b)

CO2

c)

H30

d)

HCl

15.

Na + HOH -->

a)

H2+ NaH

b)

NaOH+ H2

c)

H2O+ Na2

d)

NaH+ OH

16.

Which of the following is a noble gas?

a)

Radon

b)

Chlorine

c)

Boron

d)

Radium

17.

Which of the following is alkali metal?

a)

Calcium

b)

Magnesium

c)

Potassium

d)

Aluminium

18.

Which of the following is the most reactive?

a)

Li

b)

Hg

c)

Cs

d)

I

19.

Write down name and symbol

group 1, period 2

4 lines
20.

Which element is this?

group 2, period 3

a)

Sc

b)

Mg

c)

Ca

d)

Be

21.

Which of these are liquid at room-temperature?

a)

S

b)

Ba

c)

Hg

d)

K

22.

Which is a physical property of a metal?

a)

shiny

b)

low melting point

c)

dull

d)

brittle

23.

Corrosion is when the surface of a metal reacts with

a)

Argon

b)

Oxygen

c)

Sulfur

d)

Nitrogen

24.

What does letter C represent?

a)

gas

b)

melting

c)

liquid

d)

freezing

25.

Solids and liquids both:

a)

have fixed shapes

b)

are difficult to compress

c)

flow

d)

fill the container they are in

26.

How do particles move in a solid?

a)

move past each other

b)

they don't move

c)

vibrate

d)

move randomly

27.

Explain how a thermometer works?

4 lines
28.

What does this photo show?

a)

Density

b)

Brownian motion

c)

expanding and cooling

d)

Diffusion

29.

Which has the most kinetic energy?

a)

Gas

b)

Liquid

c)

Solid

30.

brittle

(easy to break)

a)

metal

b)

non-metal

31.

Which of these would have a high melting point?

a)

Na

b)

Al

c)

O2

d)

Br

32.

Fe (iron) is a great _______.

a)

conductor

b)

insulator

33.

How many valence electrons does Li have?

a)

1

b)

2

c)

3

d)

4

34.

materials changing size when heated and cooled is called

a)

Brownian motion

b)

diffusion

c)

expanding and contracting

35.

liquids or gases mixing without anything moving them is called

a)

Brownian motion

b)

diffusion

c)

expanding and contracting

36.

tiny particles of air or water moving randomly around is called

a)

Brownian motion

b)

diffusion

c)

expanding and contracting

37.

solids and liquids are different because:

a)

the forces between particles are stronger in liquids than in solids

b)

the forces between particles are stronger in solids than in liquids

c)

the particles are closer together in liquids than in solids

d)

the particles in solids do not move

38.

Which of these has the least energy?

a)

solid

b)

gas

c)

liquid

39.

Gas to solid

(a)  

40.

solid to gas

(a)  

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