Worksheets1st Semester Final Review
Total questions: 30
Worksheet time: 17mins
When using the Scientific Method, which of the following should be your FIRST step?
Form a Hypothesis
Communicate Results
Identify a problem/ ask a question
Communicate your Results
In an experiment on plant growth, which of the following would most likely be considered the DEPENDENT variable?
the frequency in which you water the plants
the number of centimeters each plant grows
the proximity of each plant to direct sunlight
the amount of plant food provided on a weekly basis
After performing the experiment, you analyze the data. You decide that either your data is inaccurate or the experiment is flawed. What should you do next?
Rewrite your hypothesis to better match the actual results
Change your data to more closely prove your hypothesis
Rewrite your procedure and modify the experiment
Write a conclusion to communicate the results
A graduated cylinder has 30 mL of water in it. If a rock causes the level of the water to rise to 58 mL, then the rock must have a volume of ____ mL.
18
28
30
30
We decide to compare Angel's weight and mass on Earth, on the Moon, and on Jupiter. Which of the following conclusions is correct?
Angel's mass will change but her weight will remain the same due to gravity.
Angel's mass and weight will remain the same on Earth, on the Moon, and on Jupiter.
Angel's mass and weight will change on Earth, on the Moon, and on Jupiter.
Angel's weight will change due to gravity but her mass will remain the same.
An atom is NEUTRAL if the following is true:
There are more protons than electrons.
There are more electrons than protons.
The number of protons and neutrons are the same.
The number of protons and electrons are the same.
How many PROTONS are in an atom of Flourine (F)?
9
10
19
28
How many NEUTRONS are in an atom of Lithium (Li)?
3
4
7
10
The electrons in the OUTER shell of an atom are referred to as _______________. These electrons are the ones involved in forming bonds with adjacent atoms.
electron cloud
valence electrons
energy levels
the dark force
Convert 56 kilograms (kg) to grams.
56 pounds
5.6 grams
56,000 grams
0.0056 grams
The metric system is based on powers of:
10
1
1,000
100
Which is the BEST estimate for the mass (amount of matter) of a slice of pie?
100 grams
100 kilograms
10 Liters
100 Newtons
Which of the following is a PHYSICAL change?
Slicing Bread
Cooking Eggs
Rusting Nail
Digesting Food
A difference between physical change and chemical change is that:
Chemical change involves energy while a physical change does not.
Physical change involves energy while a chemical change does not.
Different kinds of molecules (something NEW) are present after a physical change but not after a chemical change.
Different kinds of molecules (something NEW) are present after a chemical change but not after a physical change.
This is a part of the experiment that is NOT being tested and is used for comparison purposes only.
Independent Variable
Dependent Variable
Controls
Hypothesis
The temperature of water was measured at different depths of a lake. What is the INDEPENDENT variable in this scenario? Think it through!
temperature of the water
different depths of the lake
location of the lake
amount and type of fish in the lake
Lemon trees receiving the most water produce the largest lemons. Which of the following would most likely NOT be a "control" in this scenario?
amount of sunlight
type of soil
size of lemons
location of the trees
Which of the following would BEST explain why astronauts seem to bounce along the surface of the moon rather than walk normally?
There is more gravitational pull on the moon vs. on Earth.
There is less gravitational pull on the moon vs. on Earth.
The weight of the astronaut's suit causes the abnormal walking patterns.
It is the inertia that causes astronauts to move more freely on the moon.
Which represents an example of Boyles gas law?
bubbles being small at the bottom of the ocean and larger near the top
a football getting smaller in the winter
a turkey plunger popping out when the turkey is done
a hot air balloon raising up in the air
A solid that does NOT keep its shape and is not arranged in a rigid way is called a(n) _________.
amorphous solid
viscosity
plasma
What is the density of an object with a mass of 28 grams and a volume of 7 cm3?
4 g/cm3
7 g/mL
128 g/mL
What unit do we measure mass in?
grams
meters
liters
feet
Choose the option below that represents a chemical property:
oxidation
melting
sublimation
freezing
In which state of matter are molecules free to move (sliding past one another), have definite volume, but not a definite shape?
solid
liquid
gas
plasma
Moisture that collects on the outside of a cold glass results from the process of ______.
condensation
sublimation
evaporation
melting
The molecules in a test tube filled with cold water move more slowly than the molecules in a large tank of warm water. What is responsible for this difference in molecule speed?
pressure
volume
weight
heat energy
The solid, liquid, and gaseous states of water differ from each other in _____________.
the mass of the individual molecules (atoms)
the size of the individual molecules (atoms)
the net electrical charge of the individual molecules
the average speed of movement of the individual molecules (atoms)
Based on the following characteristics, classify the state of matter: high energy, found in stars, and consists of freely moving charged particles.
plasma
solid
liquid
gas
A Skittle weighs 3 grams. Which property of the candy does this value measure?
volume
mass
distance
Atoms of the same element with different number of neutrons are called _____.
isotope
velocity
amorphous solid
