Worksheets8.3 & 8.4
Total questions: 75
Worksheet time: 2hrs 34mins
Name
Class
Date
1.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
2.
Is Iron a Conductor or Insulator?
a)
Conductor
b)
Insulator
3.
Is a couch a conductor or an insulator?
a)
Conductor
b)
Insulator
4.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
5.
Gloves help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
6.
Which of the following objects is not an example of a good conductor?
a)
metal pot
b)
metal cookie sheet
c)
a wooden spoon
d)
a stainless steel spoon
7.
An object that doesn't conduct heat well is known as:
a)
a conductor
b)
an insulator
c)
conduction
d)
insulation
8.
An object that heat can move through easily is known as:
a)
an insulator
b)
a conductor
c)
conduction
d)
insulation
9.
What is NOT an example of an insulator in the kitchen?
a)
An oven mitt
b)
Pots and pans
c)
A wooden spoon
d)
A plastic measuring cup
10.
A metal spoon that gets warm when used to stir hot soup is an example of:
a)
Conduction
b)
Convection
c)
Radiation
11.
Which one is an insulator?
a)
Silver
b)
Copper
c)
Mechanical pencil
d)
plastic
12.
Conductors are materials that...
a)
Allow heat to pass through
b)
Stop heat from passing through
c)
Allow cold to pass through
d)
Stop cold from passing through
13.
What is one type of good conductor that we learned about in class?
a)
Most plastics
b)
Most fruits
c)
Most wood products
d)
Most metals
14.
A great conductor of energy is:
a)
wood
b)
plastic
c)
metal
d)
cloth
15.
The plastic covering is there to:
a)
Provide a conductor for electrical energy to flow.
b)
Provide an insulator so that electrical energy will not pass outside of the wires.
c)
Provide a conductor so that electrical energy can NOT flow.
d)
Provide an insulator so that electrical energy can flow.
16.
The metal copper is there to:
a)
Provide a conductor for energy to flow from one place to another.
b)
Provide an insulator for energy to flow from one place to another.
c)
Provide an insulator to slow the flow of energy.
d)
Provide a conductor to slow the flow of energy.
17.
Tatrys knows that the light bulb will turn on because the circuit:
a)
includes an insulator.
b)
is an open circuit.
c)
makes a complete path.
d)
includes a battery.
18.
Water is a insulator.
a)
True
b)
False
19.
All of the following are conductors except _______.
a)
metal spoon
b)
wire
c)
humans
d)
plastic spoon
20.
All of the following are insulators of electricity except _____.
a)
glass
b)
rubber
c)
plastic
d)
metal
21.
Down feathers are a good example of a(n)
a)
insulator
b)
insulation
c)
conductor
d)
conduction
22.
The handle of a frying pan is often coated in rubber because rubber provides...
a)
Heat insulation
b)
Heat conduction
c)
A low melting point
d)
A nonstick surface
23.
Melody wants to complete her circuit with a conductor. What object is the best option for a conductor?
a)
rubber
b)
a penny
c)
card board
d)
plastic spoon
24.
Abbie wanted to complete her circuit with a conductor. What object is her best option?
a)
Wood stick
b)
Glass bead
c)
Aluminum foil
d)
Styrofoam
25.
An example of an animal that uses fat insulation to stay warm is...
a)
A monkey
b)
A whale
c)
A lion
d)
An elephant
26.
Ice melts because...
a)
Heat is transferred out of it
b)
Cold is transferred into it
c)
Cold is transferred out of it
d)
Heat is transferred into it
27.
Cloth makes up a good Thermal Conductor
a)
True
b)
False
28.
When birds fluff up their feathers in the cold weather,
they are using what to act as an insulator to help keep them warm?
they are using what to act as an insulator to help keep them warm?
a)
water
b)
oil
c)
tree bark
d)
air
29.
A fur coat on a dog would be an example of:
a)
An insulator keeping thermal energy from passing.
b)
An insulator from keeping electrical energy from passing.
c)
A conductor allowing electrical energy to pass.
d)
A conductor allowing thermal energy to pass.
30.
What is a example of an pure substance
a)
Pizza
b)
water we drink
c)
Blood
d)
Bar of gold
31.
Two or more materials that combine chemically form a(n) _____________.
a)
mixture
b)
compound
c)
physical
d)
food
32.
Sand and gravel may be separated from each other through using..
a)
a filter funnel
b)
a sieve
c)
an evaporating basin
d)
a dump truck
33.
What does this picture represent?
a)
element
b)
compound
c)
mixture
d)
a home of butterflys
34.
Another example of a mixture is
a)
Water and oil
b)
Cereal and Milk
c)
Sand and water
d)
All of the above
35.
The image shown is an example of a ________.
a)
Solution
b)
Mixture
36.
Can a mixture be separated?
a)
No
b)
Yes
c)
Only sometimes
d)
NEVER!!
37.
A combination of substances that are not chemically combined is called a(n)____________.
a)
mixture
b)
compound
c)
physical
38.
Cereal is a mixture
a)
True
b)
False
39.
Which one is a soil?
a)
mixture
b)
pure substance
c)
compound
d)
neither
40.
Which of the following are correct examples of compounds?
a)
water, air, sugar
b)
oxygen, sugar, water
c)
water, salt, air
d)
water, salt, sugar
41.
Coffee is a
a)
solution
b)
mixture
42.
A solution is a mixture of one or more substances _________ evenly into another substance.
a)
dissolved
b)
evaporated
c)
carried
d)
split
43.
Lemonade is a special mixture called a
a)
substance
b)
solution
c)
plasma
d)
ingredient
44.
A fruit salad is a
a)
solution
b)
mixture
45.
Sand and clay is an example of a mixture of solids.
a)
True
b)
False
46.
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
47.
Making a mixture results in ___________________ only.
a)
chemical reactions
b)
separate parts
c)
physical changes
d)
two subtances
48.
What would you be able to do with a filter, magnet, or strainer when thinking about a mixture?
a)
separate them
b)
combine them chemically
c)
combine them physically
49.
To separate a mixture of salt and water what separation method is used?
a)
Filtration
b)
Distillation
c)
Chromatography
d)
Evaporation
50.
Anything that has mass and takes up space is called
a)
volume
volume
volume
b)
matter
c)
magnetism
d)
electricity
51.
What is a mixture?
a)
elements chemically combined
b)
a combination of different things
c)
it is found on the Periodic Table
d)
it is made of chemical
52.
To separate trail mix what method should you use?
a)
filtration
b)
sorting
c)
magnet
d)
boiling
53.
To separate iron filings and sulfur what method should you use?
a)
filtration
b)
sorting
c)
magnet
d)
boiling
54.
To separate noodles from water what method should you use?
a)
filtration with a strainer
b)
boiling while it is cooking
c)
magnet for the noodles
55.
What is the measure of how much a substance dissolves in a given volume?
a)
atom
b)
element
c)
solububble
d)
solubility
56.
Which mixture separation method uses a net?
a)
filtration
b)
magnet
c)
boiling/evaporation
d)
sorting physically
57.
Which mixture separation method would work with picking up nails?
a)
filtration
b)
magnet
c)
boiling/evaporation
d)
sorting physically
58.
Which mixture separation method would use to separate sugar from water?
a)
filtration
b)
magnet
c)
boiling/evaporation
d)
sorting physically
59.
Which mixture separation method would use to sort trail mix?
a)
filtration
b)
magnet
c)
boiling/evaporation
d)
sorting physically
60.
Elements and compounds are always ___.
a)
pure
b)
mixed
61.
Mixtures are always ___.
a)
pure
b)
mixed
62.
Which list is made of mixtures?
a)
soil, water, soup
b)
carbon dioxide, soil, soup
c)
salt, water, air
d)
atoms, cereal, pizza
63.
What happens when you mix dirt and water?
a)
The dirt will float on top of the water.
b)
The dirt will settle to the bottom.
c)
The dirt will dissolve.
d)
The water will begin to bubble.
64.
A fifth grade class has collected empty cans for recycling. They have several large bins with aluminum and steel cans, all mixed together. The two types of cans must be separated. Which of the following techniques could the students use to separate the two types of cans?
a)
Place the cans in water, and the aluminum cans will float
b)
Crush the cans to make them easier to carry
c)
Test the cans for their ability to conduct electricity
d)
Use a magnet to find and remove the steel cans
65.
Students were asked to separate a mixture of sand and salt. One group decides to first put the mixture into a beaker of water. What next steps will allow them to separate out the sand and salt?
a)
Pour the mixture through the filter to remove the sand and then evaporate the water
b)
use a magnet to extract the sand
c)
use a colander to catch the the sand and then a filter to catch the salt
d)
Boil the mixture. Scrape the salt off the ceiling that evaporated
66.
Sugar is added to water and stirred until it completely dissolves. Which of the following correctly describes something that has happened to the sugar?
a)
the mass of the sugar increased
b)
the mass of the sugar decreased
c)
the sugar disappeared and no longer exists
d)
the sugar is evenly distributed in the water
67.
Steel and silver are examples of matter that_______?
a)
can float
b)
are edible
c)
have magnetic properties
d)
have no gravity
68.
If an ice cube is left out in room it will change from one state of matter to another. Which is the correct order of State of Matter that the ice cube will go through?
a)
Gas, Solid, Liquid
b)
Liquid, Solid, Gas
c)
Liquid, Gas, Solid
d)
Solid, Liquid, Gas
69.
To determine if a piece of matter will sink or float, a student would...
a)
Use a hand lense to examine its physical properties.
b)
Measure its mass by using a spring scale.
c)
Use a magnet to see if it attracts.
d)
Place the object in a container of water.
70.
a)
Compound
b)
Mixture
71.
a)
Compound
b)
Mixture
72.
a)
Compound
b)
Mixture
73.
a)
Compound
b)
Mixture
74.
a)
Compound
b)
Mixture
75.
a physical property that describes the ability of an object to transfer heat energy.
a)
conductor
b)
thermal conductivity
c)
insulator
100 %
