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Willliams Unit 1 test science

Total questions: 40

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

Boiling water is

a)

chemical change

b)

physical change

c)

physical and chemical change

d)

neither

2.

Freezing water that turn into ice is

a)

chemical change

b)

physical change

c)

chemical and physical change

d)

neither

3.

What charge does a proton have?

a)

negative (-)

b)

neutral or no charge (0)

c)

positive (+)

4.

What charge does a electron have?

a)

negative (-)

b)

neutral or no charge (0)

c)

positive (+)

5.

What type of charge neutrons have?

a)

positive (+)

b)

neutral or no charge (0)

c)

negative (-)

6.

What happens when you touch a metal doorknob after rubbing your shoes on the carpet?

a)

The doorknob sends a burst of electric current into your body

b)

Millions of electrons go from your finger into the doorknob

c)

The doorknob sends millions of electrons into your finger

d)

your finger becomes negatively charged

7.

Which of the following is caused by static electricity?

a)

a magnet being attracted to a refrigerator

b)

a magnet being attracted to a car

c)

a lightning strike during a storm

d)

a stove getting hot when it is turned on

8.

Which of the following an insulator?

a)

copper

b)

silver

c)

rubber

d)

iron

9.

Which of the following a conductor?

a)

plastic

b)

paper

c)

rubber

d)

iron

10.

The girl's hair and the comb are attracting one another.

a)

opposite charge

b)

repel charge

c)

like charge

11.

While touching the Van de Graaff generator, each of Zoe's hairs has which of these?

a)

attracting or opposite charge

b)

no charge

c)

repel charge or same charge

d)

both charges

12.
A mixtures is a combination of two or more____________ in which no new kinds of matter are formed.
a)
 subtances
b)
parts
c)
leaves
d)
pebbles
13.
Making a mixture results in ___________________ only.
a)
chemical reactions
b)
separate parts
c)
physical changes
d)
two subtances
14.
Type of mixture that has the SAME COMPOSITION in every part.
a)
Homogenous
b)
Heterogeneous
15.
Type of mixture that DOESN'T HAVE the same composition in every part.
a)
Homogeneous
b)
Heterogeneous
16.
Salad is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
17.
Chocolate milk is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
18.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
19.
Exploding Fireworks?
a)
Physical Change 
b)
Chemical Change 
20.
Rotting bananas?
a)
Physical Change
b)
Chemical Change
21.
Melting a chocolate bar?
a)
Physical Change
b)
Chemical Change 
22.
Cutting your hair?
a)
Physical Change
b)
Chemical Change
23.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
24.
Is sqeezing organges to make orange juice a phyical or chemcial change?
a)
physical
b)
chemical
25.
A change that does not result in a new substance.
a)
Physical Change
b)
Chemical Change 
26.
A teacher is demonstrating physical and chemical changes to her class. Which action should she use to demonstrate a chemical change?
a)
cutting a piece of paper
b)
folding a piece of paper
c)
tearing a piece of paper
d)
burning a piece of paper
27.
______ is the amount of space that an object takes up.
a)
volume
b)
space
c)
room
d)
density
28.
Which property of a substance depends on how much of the substance there is?
a)
mass
b)
density
c)
boiling point
d)
melting point
29.
If enough heat is taken away from a container of water, what will happen to the water?
a)
It will begin to boil.
b)
It will become a solid.
c)
It will turn into a gas.
d)
It will increase in weight.
30.
Which answer makes a correct statement?
a)
Physical change only changes the size.
b)
Physical change only changes the color.
c)
Physical changes begin and end with the same matter.
d)
Physical changes change the matter into something total different.
31.
Is sqeezing organges to make orange juice a phyical or chemcial change?
a)
physical
b)
chemical
32.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

33.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
34.
Dissolving sugar in water is an example of a 
a)
physical change
b)
chemical change
35.
Digesting your food is an example of 
a)
chemical change
b)
physical change
36.
Which is an example of a chemical reaction?
a)
paper cut into small pieces
b)
chocolate melting in a pan
c)
flour and sugar mixed in a bowl
d)
cookies baking in an oven
37.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
38.
Which state of matter has particles arranged like this?
a)
solid
b)
liquid
c)
gas
39.
Which state of matter has particles arranged like this?
a)
solid
b)
liquid
c)
gas
40.
Which state of matter has particles arranged like this?
a)
solid
b)
liquid
c)
gas

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