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WorksheetsMidterm Exam Quizizz
Total questions: 41
Worksheet time: 21mins
Name
Class
Date
1.
Different amounts of fertilizer are added to rose bushes and then the height of the plant is measured after three weeks. What is the manipulated (independent) variable?
a)
height of the plant
b)
amount of fertilizer
c)
the rose bush
d)
three weeks
2.
What is the reading on the triple beam balance?
a)
241 grams
b)
142 grams
c)
124 grams
d)
242 grams
3.
Adding sugar to water is a _____________.
a)
homogeneous mixture
b)
heterogeneous mixture
c)
compound
d)
molecule
4.
A substance was discovered that had a bitter taste and a pH of 13. What kind of substance was it?
a)
weak acid
b)
weak base
c)
strong base
d)
strong acid
5.
A substance was discovered that has a bitter taste and a pH of 13. What kind of substance was it?
a)
weak base
b)
weak acid
c)
strong base
d)
strong acid
6.
A substance with a pH of 3 would have what types of characteristics?
a)
bitter taste and slippery to touch
b)
no taste and dissolves all acids
c)
sour taste and corrodes metals
d)
bitter taste and dissolves some acids
7.
Which two subatomic particles are found in the nucleus of an atom?
a)
electrons and neutrons
b)
neutrons and protons
c)
protons and neurons
d)
electrons and protons
8.
An electron has what type of charge?
a)
positive
b)
neutral
c)
negative
9.
A substance was recently discovered that was a poor conductor, malleable, and ductile. What type of substance was this?
a)
metal
b)
nonmetal
c)
metallic
d)
metalloid
10.
If a metal can be drawn out into a wire, it is said to be _________.
a)
ductile
b)
dull
c)
malleable
d)
poor conductor
11.
If a substance has a shiny appearance and reflects light, it is said to be _____________.
a)
malleable
b)
ductile
c)
lustrous
d)
dull
12.
NaCl is the chemical formula for _______ and C6H12O6 is the chemical formula for ___________.
a)
sugar, salt
b)
sugar, rust
c)
salt, rust
d)
salt, sugar
13.
What does the Law of Conservation of Matter state?
a)
Matter can be created or destroyed
b)
Matter can be transformed into elements
c)
Matter cannot be created or destroyed
d)
Cells are the basic building block of life
14.
Is the equation in the diagram balanced?
a)
yes
b)
no
15.
____________ and ____________ are the reactants in this chemical reaction.
a)
water and carbon dioxide
b)
water and oxygen
c)
methane and oxygen
d)
methane and water
16.
Products are found on the _________ side of the arrow in a chemical reaction
a)
right
b)
left
c)
middle
d)
products are not found in a chemical reaction
17.
What is the density of an object with a mass of 50 grams and a volume of 10 mL?
a)
500 g/mL
b)
.2 g/mL
c)
5 g/mL
d)
500 grams
18.
What is the density of a block of wood that has a mass of 20 grams and a volume of 2 g/cm3?
a)
40 g/cm3
b)
10 g/cm3
c)
.1 g/cm3
d)
400 grams
19.
Which of the following is a balanced equation?
a)
H2O+CO---> H2CO3
b)
2NaCl +H2SO4 ----> Na2SO4 + 2HCl
c)
Mn +Fe ----> MnS + Fe
d)
NaCl + CaCl2 = NaCl2 + CaCl2
20.
Which of the answers below always occurs with a chemical change?
a)
change in temperature
b)
gas is produced (bubbling)
c)
new substance is created
d)
color change
21.
A change in the state of matter, like ice melting, is an example of a _____________ change.
a)
reversible
b)
chemical
c)
physical
d)
temporary
22.
Cutting paper and chopping wood are both examples of _______________ change.
a)
physical
b)
reversible
c)
chemical
d)
temporary
23.
Frying an egg, baking bread, and burning paper are all examples of ______________ change.
a)
physical
b)
chemical
c)
temporary
d)
reversible
24.
Density, melting point, mass, magnetism, color, boiling point, and volume are each an example of a _____________ property of a substance.
a)
chemical
b)
physical
c)
energetic
d)
metalloid
25.
The ability to rust and the ability to burn are each an example of a _______________ property of a substance.
a)
energetic
b)
metallic
c)
physical
d)
chemical
26.
What plant organelle captures and converts sunlight energy into food?
a)
mitochondria
b)
chloroplasts
c)
lysosome
d)
cell wall
27.
What organelle controls what enters and exits a cell to help it maintain homeostasis?
a)
cell wall
b)
cell membrane
c)
nuclear membrane
d)
mitochondria
28.
What organelle helps support plant cells and gives them their boxy shape.
a)
cell wall
b)
cell membrane
c)
nuclear membrane
d)
nucleus
29.
All living things ______________.
a)
reproduce sexually
b)
grow and reproduce
c)
have a heart
d)
make their own food
30.
Which part of the cell acts to maintain and repair cell structures as well as digest old worn out organelles?
a)
ribosome
b)
mitochondria
c)
nucleus
d)
lysosome
31.
Elements in the same horizontal row (listed from left to right) on the Periodic table are in the same ____________.
a)
family/group
b)
row/period
32.
Elements on the periodic table have similarities with other elements in the same ___________ as them,
a)
row/period
b)
family/group
33.
Which of the answers below is part of Cell Theory?
a)
all cells come from preexisting cells
b)
the cell is the basic structure of living things
c)
all organisms are made of cells
d)
all of the above
34.
All eukaryotes have a membrane bound __________.
a)
chloroplast
b)
mitochondria
c)
nucleus
d)
cell wall
35.
This cell would be classified as a _____________________ cell because it contains ______________.
a)
photosynthetic, chloroplasts
b)
non-photosynthetic, chloroplasts
c)
photosynthetic, mitochondria
d)
non-photosynthetic, mitochondria
36.
The element sodium (Na) has similar properties with which other element below?
a)
potassium (K)
b)
magnesium (Mg)
c)
oxygen (O)
d)
carbon (C)
37.
If a substance turns red litmus paper blue then the substance is a(n) __________.
a)
acid
b)
base
c)
neutral
d)
metallic
38.
In the presence of a(n) _____________, phenolphthalein will turn___________.
a)
acid, clear
b)
acid, magenta(pink)
c)
base, magenta (pink)
d)
base, clear
39.
When a nonmetal bonds with another nonmetal it will form a ________________ bond.
a)
ionic
b)
covalent
c)
metallic
d)
metalloid
40.
Covalent bonds involve the ______________ of electrons.
a)
sharing
b)
transferring
41.
What type of bond is formed when a metal bonds with a nonmetal.
a)
ionic
b)
covalent
c)
metallic
d)
metalloid
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