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Semester 1 Exam_PS

Last updated over 1 year ago

40 questions

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Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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Question 11

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Question 12

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Question 13

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Question 14

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Question 15

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Question 16

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Question 17

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Question 18

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Question 19

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Question 26

26.

This is calcium carbonate.

1

1

Question 29

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Question 30

30.

Question 31

31.

Question 32

32.

Question 33

33.

Question 34

34.

Question 35

35.

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What vocabulary word does this picture show?

Reactivity

Element

Mass

Flexibility

What vocabulary word does this picture show?

Toxicity

Flammability

Color

Length

What vocabulary word does this picture show?

Chemical property

Element

Color

Mass

What vocabulary word does this picture show?

Length

Toxicity

Substance

Volume

What vocabulary word does this picture show?

Element

Physical properties

Chemical properties

Reactivity

What vocabulary word does this picture show?

Homogenous mixture

Element

Compound

Heterogeneous mixture

What vocabulary word does this picture show?

Compound

Separate

Mixture

Solvent

What vocabulary word does this picture show?

Dissolve

Element

Property

Pure substance

Which of these pictures shows people separating?

What vocabulary word does the picture show?

Solid

Boil

Melting point

Liquid

What vocabulary word does this picture show?

Boil

Freeze

Melt

Solid

What vocabulary word does this picture show?

Liquid

Freeze

Deposition

Gas

What vocabulary word does this picture show?

Boil

Solid

Sublimation

Condense

What vocabulary word does this picture show?

Gas

Melt

Boiling point

Condense

What vocabulary word does this picture show?

Electron

Charge

Atom

Element

What vocabulary word does this picture show?

Atom

Charge

Proton

Ion

What vocabulary word does this picture show?

Particles

Stars

Ion

Charge

What are the three subatomic particles?

Solid, liquid, gas

Positive, nitrogen, electricity

Proton, neutron, electron

Ion, element, charge

Which of these correctly matches the charges with the subatomic particles in an atom?

Proton-positive, Neutron-neutral, Electron-negative

Proton-negative, Neutron-positive, Electron-neutral

Proton-neutral, Neutron-negative, Electron-positive

Question 20

20.

Question 21

21.

Question 22

22.

Question 23

23.

Question 24

24.

Question 25

25.

Gold is an element.  What is true about gold?

It can be separated physically.

It is made of two or more substances combined together.

It is made of one kind of atom and cannot be divided.

Question 27

27.

Question 28

28.

Look at the picture.  It shows liquid chocolate milk.  Why is chocolate milk a liquid?

Because the shape and the volume do not change.

Because the volume does not change, but the shape can change.

Because the shape and the volume can change.

Which picture shows the particles in a gas?

Which picture shows the particles in a solid?

A liquid boils and becomes a gas.  What happens to the temperature?

It increases.

It decreases.

If the pressure is 0 oC and the pressure is 100,000 kPA, what state is carbon dioxide in?

Solid

Liquid

Gas

How many protons does magnesium (Mg) have?

9

12

24

32

If an element has 5 protons and 7 electrons, what is its charge?

-3

-2

1

+2

Question 36

36.

Question 37

37.

Question 38

38.

Question 39

39.

Question 40

40.

What vocabulary word does this picture show?

Distance

Speed

Position

Displacement

What vocabulary word does this pictures show?

Displacement

Time

Acceleration

Distance

What is the length of the glue stick? 

1 inch

2 inches

3 inches

4 inches

Is length a physical property or chemical property?

Physical property

Chemical property

Is lithium reactive?

Yes.

No.

Is reactivity a physical property or a chemical property?

Physical property

Chemical property

What is calcium carbonate?

Element

Compound

Homogenous mixture (solution)

Heterogeneous mixture

How do you know what calcium carbonate is?

Because it does not have the same properties throughout.

Because it can be separated physically.

Because it is made of two or more elements that cannot be separated physically.

Look at the atom.  What element is it from?

Hydrogen

Lithium

Boron

Nitrogen

Is it an ion or a neutral atom?

Ion

Neutral atom

What is its charge?

+2

-2

+5

-3

Oziel's dinosaur walks 10 meters.  It takes him 5 seconds.  What is the dinosaur's speed?

0.5 m/s

1 m/s

2 m/s

50 m/s

The dinosaur runs at a speed of 3 m/s.  If he runs for 10 seconds, how many meters will he run?

0.3 m

3.33 m

30 m

300 m