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WorksheetsMid-Term Study Guide 1
Total questions: 40
Worksheet time: 19mins
Name
Class
Date
1.
What is a physical change?
a)
A change that results in the formation of new chemical substances
b)
A change that occurs without altering the chemical composition of a substance
c)
A substance made by mixing other substances together
d)
the ability to do work or cause change
2.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
c)
both
d)
none of the above
3.
What is a chemical change?
a)
A change that results in the formation of new chemical substances
b)
A change that occurs without altering the chemical composition of a substance
c)
A substance made by mixing other substances together
d)
the ability to do work or cause change
4.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
c)
both
d)
none of the above
5.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
6.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
7.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
c)
mixture
d)
state of matter
8.
Melting a chocolate bar is an example of a(n) ______________ .
a)
physical change
b)
chemical change
c)
photosynthesis
d)
heredity
9.
What is kinetic energy?
a)
energy that is stored in an object due to its position or composition
b)
the energy found in foods
c)
the energy associated with motion
d)
energy created during a chemical reaction
10.
The total potential and kinetic energy of an object is called
a)
mechanical energy
b)
thermal energy
c)
chemical energy
d)
electrical energy
11.
What substance cannot be broken down into other substances?
a)
element
b)
compound
c)
molecule
d)
mixture
12.
What is the difference between mass and weight?
a)
The mass of an object changes based on the force of gravity acting on it; weight is not affected by gravity
b)
The weight of an object changes based on the force of gravity acting on it; mass is not affected by gravity
c)
They are the same thing.
d)
Mass is measured in newtons; weight is measured in kilograms
13.
Which term describes the ability to do work or cause change?
a)
matter
b)
heat
c)
chemistry
d)
energy
14.
Atoms are held together in a molecule by ____________ bonds.
a)
elemental
b)
physical
c)
chemical
d)
potential
15.
Which method would you use to find the volume of an irregularly shaped object?
a)
displacement method
b)
scientific method
c)
Use a ruler to find the length, width, and height, then multiply (V=LxWxH)
d)
It is not possible to find the volume
16.
What method would you use to find the volume of a cube?
a)
displacement method
b)
scientific method
c)
Use a ruler to find the length, width, and height, then multiply (V=LxWxH)
17.
What is the SI unit for mass?
a)
meter
b)
kilogram
c)
Joules
d)
newton
18.
What is the SI unit for weight?
a)
meter
b)
kilogram
c)
Joule
d)
newton
19.
What is the SI unit for energy?
a)
meter
b)
kilogram
c)
joules
d)
newton
20.
What is the SI unit for temperature?
a)
Fahrenheit
b)
Celsius
c)
Joule
d)
Newton
21.
What is the SI unit for the volume of a solid?
a)
newton
b)
centimeter
c)
liter
d)
cubic meter (m3)
22.
What is the SI unit for length/distance?
a)
meter
b)
kilogram
c)
feet
d)
inches
23.
What type of device do scientists use to measure mass?
a)
triple beam balance
b)
ruler
c)
graduated cylinder
d)
thermometer
24.
What type of device do scientists use to measure temperature?
a)
triple beam balance
b)
ruler
c)
graduated cylinder
d)
thermometer
25.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
26.
What is the density of a substance that has a volume of 20 ml and a mass of 100 g?
a)
5 g/ml
b)
20 g/ml
c)
100 g/ml
d)
120 g/ml
27.
What is matter?
a)
the ability to do work or cause change
b)
the transfer of energy between two objects
c)
Anything that has mass and takes up space
d)
an example of a chemical change
28.
What is a mixture?
a)
the result of combining two or more substances that react chemically
b)
the result of combining two or more substances that do not react chemically
c)
a group of atoms bonded together
d)
the result of a chemical change
29.
Which is NOT an example of a mixture?
a)
a bowl of fruit
b)
air
c)
water
d)
salad
30.
What is the difference between a molecule and a compound?
a)
A compound is a molecule that contains at least two different elements; molecules can contain only one element
b)
Molecules are not chemically bonded
c)
Compounds are not chemically bonded
d)
All molecules are also compounds
31.
Which of the following is NOT an example of a molecule?
a)
H2
b)
H2O
c)
H2O2
d)
They are all molecules.
32.
Which of the following is NOT an example of a compound?
a)
H2
b)
H2O
c)
H2O2
d)
They are all compounds.
33.
Which is not a state of matter for H2O?
a)
solid
b)
liquid
c)
gas
d)
oil
34.
Freezing, melting and boiling are all examples of what kind of properties?
a)
physical
b)
chemical
c)
molecular
d)
energy
35.
What does it mean if a mixture is heterogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
very well blended
d)
made of elements
36.
What does it mean if a mixture is homogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
chunks of particles
d)
made of elements
37.
Chicken noodle soup
a)
heterogeneous mixture
b)
homogeneous mixture
c)
both
d)
neither
38.
Milk
a)
heterogeneous mixture
b)
homogeneous mixture
c)
both
d)
neither
39.
What physical property describes how aluminum can be rolled out into thin sheets?
a)
ductility
b)
malleability
c)
insulating
d)
conducting
40.
What physical property describes how copper can be pulled into thin strands or wires?
a)
ductility
b)
malleability
c)
insulating
d)
conducting
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