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ECM & Physical vs. Chemical Properties

Total questions: 25

Worksheet time: 28mins

Name
Class
Date
1.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
2.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
3.
A change where one or more new substances are created.
a)
Physical Change 
b)
Chemical Change 
4.

Determine whether the following description is a physical or chemical property:


flammability (burns)

a)

Physical

b)

Chemical

5.

Determine whether the following description is a physical or chemical property:


solubility (dissolves)

a)

Physical

b)

Chemical

6.

Determine whether the following description is a physical or chemical property:


hardness

a)

Physical

b)

Chemical

7.

Determine whether the following description is a physical or chemical property:


reacts with air

a)

Physical

b)

Chemical

8.

Determine whether the following description is a physical or chemical property:


melting point

a)

Physical

b)

Chemical

9.

Determine whether the following description is a physical or chemical property:


boiling point

a)

Physical

b)

Chemical

10.
A copper penny turning greenish after a few years is an example of ...
a)
Chemical Change
b)
Physical Change
11.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
12.
Is making orange juice a physical or chemical change?
a)
Physical 
b)
Chemical
13.
Is sharpening a pencil a physical or chemical change?
a)
Physical 
b)
Chemical
14.
Is bending copper wire a physical or chemical change?
a)
Physical
b)
Chemical
15.

Hard-boiled eggs are the a result of a chemical change because

a)

the eggs are the same size before vs after.

b)

the eggs have different properties (smell, taste, color) before vs after.

c)

the eggs weigh the same before vs after.

d)

the eggs went through a phase change.

16.
Is melting butter a physical or chemical change?
a)
Physical
b)
Chemical
17.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
18.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
19.

This image is a model of...

a)

an element

b)

a compound

c)

a homogenous mixture

d)

a heterogeneous mixture

20.

The image below is an example of

a)

a homogeneous mixture

b)

a compound

c)

a heterogeneous mixture

d)

an element

21.

The image below is an example of

a)

an atom

b)

a molecule

c)

a homogeneous mixture

d)

a heterogeneous mixture

22.

This picture is a model of...

a)

an element

b)

a compound

c)

a homogenious mixture

d)

a heterogeneous mixture.

23.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
24.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
25.
Classify the picture with the correct label.
a)
Mixture of Elements
b)
Mixture of Elements & Compounds
c)
Mixture of Compounds
d)
Compounds