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Semester 1 Exam_PS

Last updated about 1 year ago

40 questions

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Question 1

1.

What vocabulary word does this picture show?

Reactivity

Element

Mass

Flexibility

Question 2

2.

What vocabulary word does this picture show?

Toxicity

Flammability

Color

Length

Question 3

3.

What vocabulary word does this picture show?

Chemical property

Element

Color

Mass

Question 4

4.

What vocabulary word does this picture show?

Length

Toxicity

Substance

Volume

Question 5

5.

What vocabulary word does this picture show?

Element

Physical properties

Chemical properties

Reactivity

Question 6

6.

What vocabulary word does this picture show?

Homogenous mixture

Element

Compound

Heterogeneous mixture

Question 7

7.

What vocabulary word does this picture show?

Compound

Separate

Mixture

Solvent

Question 8

8.

What vocabulary word does this picture show?

Dissolve

Element

Property

Pure substance

Question 9

9.

Which of these pictures shows people separating?

Question 10

10.

What vocabulary word does the picture show?

Solid

Boil

Melting point

Liquid

Question 11

11.

What vocabulary word does this picture show?

Boil

Freeze

Melt

Solid

Question 12

12.

What vocabulary word does this picture show?

Liquid

Freeze

Deposition

Gas

Question 13

13.

What vocabulary word does this picture show?

Boil

Solid

Sublimation

Condense

Question 14

14.

What vocabulary word does this picture show?

Gas

Melt

Boiling point

Condense

Question 15

15.

What vocabulary word does this picture show?

Electron

Charge

Atom

Element

Question 16

16.

What vocabulary word does this picture show?

Atom

Charge

Proton

Ion

Question 17

17.

What vocabulary word does this picture show?

Particles

Stars

Ion

Charge

Question 18

18.

What are the three subatomic particles?

Solid, liquid, gas

Positive, nitrogen, electricity

Proton, neutron, electron

Ion, element, charge

Question 19

19.

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

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Question 20

20.

What vocabulary word does this picture show?

Distance

Speed

Position

Displacement

1

Question 21

21.

What vocabulary word does this pictures show?

Displacement

Time

Acceleration

Distance

1

Question 22

22.

What is the length of the glue stick?

1 inch

2 inches

3 inches

4 inches

1

1

Question 24

24.

Is lithium reactive?

Yes.

No.

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Question 26

26.

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.

This is calcium carbonate.

1

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Question 28

28.

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.

Question 29

29.

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.

Question 30

30.

Which picture shows the particles in a gas?

Question 31

31.

Which picture shows the particles in a solid?

Question 32

32.

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

It increases.

It decreases.

Question 33

33.

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

Solid

Liquid

Gas

Question 34

34.

How many protons does magnesium (Mg) have?

9

12

24

32

Question 35

35.

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

-3

-2

1

+2

1

1

Question 37

37.

Is it an ion or a neutral atom?

Ion

Neutral atom

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1

1

Question 40

40.

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

Question 23

23.

Is length a physical property or chemical property?

Physical property

Chemical property

Question 25

25.

Is reactivity a physical property or a chemical property?

Physical property

Chemical property

Question 27

27.

What is calcium carbonate?

Element

Compound

Homogenous mixture (solution)

Heterogeneous mixture

Question 36

36.

Look at the atom. What element is it from?

Hydrogen

Lithium

Boron

Nitrogen

Question 38

38.

What is its charge?

+2

-2

+5

-3

Question 39

39.

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