A. Conclusion
B. Data
C. Graph
D. Variables
2. How is hypothesis tested?
A. By gathering enough information about the problem
B. By making inferences
C. By conducting experiment
D. By formulating conclusion
3. Which summarizes a natural occurrence that may be
constantly observed given the same conditions which may be expressed in words
or in mathematical form?
A. Conclusion
B. Hypothesis
C. Law
D. Theory
4. Ruben prepares a solution by putting a pinch of orange
crystals to water in a beaker, then by consistent stirring, the crystal
dissolve. Which of the statements above are likely to be observed by
Ruben?
I. The water becomes orange.
II. The color of the solution becomes darker.
III. Crystals disappear from the bottom of the
beaker.
IV. The beaker and its contents become heavier as attiring
continues.
A. I and II only
B. III and IV only
C. I, II, and III only
D. I, II, and IV only
5. Which of the following is NOT true about scientific
method?
A. Conclusion is the last step
B. Scientific method may be applied in every life.
C. Scientific method is a systematic way of solving
problem.
D. Scientific method is done by following a step-by-step procedure in an exact sequence.
6. Which apparatus will you use to measure the mass of an
irregular solid correctly?
A. Empty beaker
B. Erlenmeyer flash
C. Graduated cylinder with water
D. Vernier caliper
7. To graph the distance covered and velocity of a car,
which is the dependent variable? Where should be it plotted on a line
graph?
A. Distance, x axis
B. Distance, y-axis
C. Velocity, x-axis
D. Velocity, y-axis
8. A student found a piece of metal. What can the student
to do quickly determine if the metal might contain iron?
A. Heat the metal
B. Weight the metal
C. Place the metal in water
D. Place the metal near the magnet
9. A student dipped a strip of aluminum and a strip of iron
in water. The student then exposed the strips to air for one week. Which was
most likely observed one week later?
A. The iron strip formed rust.
B. The aluminum strip formed rust.
C. Both of the metal strips formed rust.
D. Neither of the metal formed rust.
10.What human activity has added the most carbon in the
atmosphere?
A. Burning fossils fuels
B. Mining fossil fuel
C. Increasing soil erosion
D. Cutting down the rain forests
11. The Table below lists measurements tasks included in
laboratory activities conducted by students in a Grade 9 science class. Which
matches a measurement task with the correct measurement tools? Measurement Task
Tools
I. Add 10g of salt to 200 ml of water and stir Triple-beam
balance, 25 ml capacity beaker marked in 1 ml intervals
II. Add 20 ml of rubbing alcohol to 50 ml of water 250 ml
capacity Erlenmeyer flash marked in 50 ml intervals
III. Add 3 ml of cooking oil to 10g of sugar 5 ml capacity
pipette marked in 1 ml intervals, pan balance with masses petri dish
IV. Add 25 g sugar to 15 ml of water and heat until the
sugar dissolves 100 ml capacity graduted cylinder marked in 25 ml intervals,
spring scale, mortar
A. I
B. II
C. III
D. IV
12. Aubrey wants to track her summative tests scores over
the course of the first grading period. Which of the following will BEST allow
her to analyze her progress?
A. Bar graph
B. Line graph
C. Pie graph
D. Scatter graph
13. What will most likely occur if global warming will not
be addressed?
A. Lower se levels
B. Melting of ice cups
C. More pollution in water
D. More reflected sunlight off the ice pack
14. How is the relationship described when both quantities
are increasing but one quantity increases faster than the other.
A. Direct proportion
B. Direct square proportion
C. Inverse proportion
D. Inverse square proportion
15. In your attempt to determine which is denser oil or
water, you mixed 25 ml of oil with 25ml of water. What helpful qualitative data
can you derive from the set-up?
A. There are 50 ml of liquid in the container.
B. Oil did not mix with water.
C. Oil is on top of the water.
D. There are 25 ml of water and 25 ml of oil in the container.
16. Which of the following is a compound?
A. Cemented wall
B. Dry ice C. Gold
D. Tincture of iodine
17. Which is most likely to change the blue litmus paper to
red?
A. Ammonia in water
B. Detergent solution
C. Lime water
D. Vinegar
18. Which can be classified as homogeneous mixture?
I. Buko pie
II. Blood
III. Virgin coconut oil
IV. Mango juice
A. III only
B. I and II only
C. I, III, and IV only
D. II,III and IV only
19. Which of the following is a physical property of
non-metals?
A. Malleability and ductility
B. Low tensile strength
C. High density
D. High tensile strength 2
20. The yellow color of a highlighter is a
________property.
A. chemical
B. heterogeneous
C. homogeneous
D. physical
21. An odorless and colorless matter boils at 100 ℃ and melts at 0 ℃ What inference can be drawn
from this observation?
A. It is a metal.
B. It is a mixture
C. It is a non-metal.
D. It is a pure substance.
22. You want to clean a tarnished silver. Which one will
you use?
A. Baking soda
B. Salt solution
C. Sugar solution
D. Vinegar
23. What will you add to your food to make it last
longer?
A. Baking soda
B. Salt solution
C. Tomato
D. Vinegar
24. Why is it not advisable to drink soft drinks on an
empty stomach?
A. It could lessen your appetite.
B. It could make you feel full faster.
C. It increases the acidity of your stomach.
D. It contains stimulant which causes dizziness.
25. Almost the entire mass of an atom is concentrated in
the __________?
A. electron
B. neutron
C. nucleus
D. proton
26. How many protons are present if an atom has a mass
number of 23 and atomic number of 11?
A. 11
B. 12
C. 23
D. 44
27. Carbon-12 atom has ______________.
A. 6 electrons, 6 protons, 6 neutrons
B. 6 electrons, 12 protons, 6 neutrons
C. 12 electrons, 6 protons, 6 neutrons
D. 16 electrons, 6 protons , 6 neutrons
28. What happens to the atomic number during a chemical
reaction?
A. Changes
B. Remains the same
C. Changes the alternately
D. Changes and then is restored
29. Which of the following statements about isotopes of
hydrogen is correct?
A. They have different atomic numbers.
B. They have the same number of protons.
C. They have the same number of neutrons .
D. They have different number of electrons.
30. Which of the following has 16 electrons?
A. 27 13A1+3
B. 35 17C1-1
C. 32 16S
D. 32 16S -2
31. How many protons, neutrons and electrons are there in
an atom of 197 79Au?
A. 79 protons, 79 electrons, and 118 neutrons
B. 79 protons, 79 electrons, and 197 neutrons
C. 197 protons, 79 electrons, and 79 neutrons
D. 79 protons, 79 electrons, and 158 neutrons
32. The electrons configuration of an atom of element R in
the ground state is 1s22s22p63s23p64d9 . What is the element described?
A.48Cd
B. 35Br
C. 31Ga
D. 27Co
33. What is the shape of the molecule BeC12?
A. Linear
B. Angular
C. Trigonal planar
D. Tetrahedral
34. The generalized electron configuration of this group of
element is [Noble gas] ns2ns. Identify its group and family.
A. Group VII and Family A
B. Group V and Family A
C. Group III and Family B
D. Group I and Family B
35. What is the position of 12Mg in the periodic table of
elements?
A. Group I-A, Period 2
B. Group III-A, Period 2
C. Group II-A, Period 3
D. Group II-B, Period 4
36. What happens when a metal react with a nonmetal ?
Usually___________.
A. a simple covalent bond is formed
B. a coordinate covalent bond is formed
C. positive and negative ions are formed
D. there is sharing of electrons in the outer shells of two elements
37. What bond exists in a solid that does not conduct
electricity but conducts electricity when dissolved in water?
A. Coordinate covalent bond
B. Covalent bond
C. Ionic bond
D. Metallic bond
38 .Which of the following statements about a triple bond
is CORRECT?
A. Compounds with triple bonds are not reactive.
B. An example of a molecule with a triple bond is
C2H6.
C. Triple bond is weaker than single and double
bonds.
D. Three pairs of electrons can hold two atoms together stronger than two pairs.
39. Which chemical bond will most likely exists if element
A has an electron configuration of 1s22s22p3 and element B has
1s22s22p5??
A. Coordinate covalent
B. Ionic
C. Metallic
D. Polar covalent
40. X, Y, and Z represent elements of atomic numbers 9, 11,
and 16. What type of bond will be performed between Y and Z?
A. Ionic bond
B. Metallic bond
C. Nonpolar covalent bond
D. Polar covalent bond
WATER QUIZ
1. True or false? Sound travels faster through water than
air?
2. Water is made up of what two elements?
3. What is another name for a tidal wave?
4. True or false? The Indian Ocean is the biggest ocean on
Earth.
5. The solid state of water is known as what?
6. Can the average human survive without water for a few
days or a few weeks?
7. True or false? Pure water is tasteless.
8. Nimbus, cumulus and stratus are types of what?
9. True or false? Water is an example of a chemical
element.
10. Does water cover more or less than 50% of the Earth’s
surface?
11. True or false? Water boils at 100 degrees Celsius (212
degrees Fahrenheit).
12. When water is cooled, does it contract or expand?
13. Water freezes at what temperature?
14. True or false? Water is easy to compress.
15. What is the chemical formula of water?
16. The deepest point in all of the world’s oceans is named
what?
17. True or false? The consumption of bottled water has risen
significantly over the last few decades.
18. Pure water has a pH level of a around what
number?
19. What is the longest river on Earth?
20. True or false? Ice sinks in water.
Answer Key
1. True
2. Hydrogen and oxygen
3. Tsunami
4. False - Pacific Ocean
5. Ice
6. A few days
7. True
8. Clouds
9. False
10. More - Around 70%
11. True
12. Expand
13. 0 °C (32 °F)
14. False 15. H20
16. Mariana Trench
17. True
18. 7
19. The Nile River
20. False - It floats
STATE OF MATTER QUIZ
1. When a solid changes to a liquid it is called
what?
2. True or false? Liquids are easy to compress.
3. When a gas changes into a liquid it is called
what?
4. True or false? The particles of a gas are packed tightly
together.
5. When solids reach their melting points they become
what?
6. True or false? Plasma is a state of matter.
7. When a gas reaches its condensation point it becomes a
what? 8. True or false? Solids do not take the shape of the container they are
in. 9. What is it called when a solid
changes directly into a gas?
10. True or false? Gasses are hard to compress.
Answer Key
1. Melting
2. False
3. Condensation
4. False
5. Liquids
6. True
7. Liquid
8. True
9. Sublimation
10. False
BIOLOGY QUIZ
1. Which famous scientist introduced the idea of natural
selection?
2. A person who studies biology is known as a?
3. Botany is the study of?
4. Can frogs live in salt water?
5. True or false? The common cold is caused by a
virus.
6. Animals which eat both plants and other animals are
known as what?
7. Bacterial infections in humans can be treated with
what?
8. A single piece of coiled DNA is known as a?
9. A group of dog offspring is known as a?
10. The area of biology devoted to the study of fungi is
known as?
11. What is the name of the process used by plants to
convert sunlight into food?
12. The death of every member of a particular species is
known as what?
13. The process of pasteurization is named after which
famous French microbiologist?
14. True or false? A salamander is a warm blooded
animal?
15. A change of the DNA in an organism that results in a
new trait is known as a?
Answer Key
1. Charles Darwin
2. Biologist
3. Plants
4. No
5. True
6. Omnivores
7. Antibiotics
8. Chromosome
9. Litter
10. Mycology
11. Photosynthesis
12. Extinction
13. Louis Pasteur
14. False
15. Mutation
ELECTRICITY QUIZ
1. Electric current is measured using what device?
2. True or false? Batteries convert chemical to electrical
energy.
3. In terms of electricity, what does DC stand for?
4. The wire inside an electric bulb is known as the
what?
5. Conductors have a high or low resistance?
6. True or false? The concept of electric fields was first
introduced by Albert Einstein.
7. Electric resistance is typically measured in what
units?
8. In terms of electricity, what does AC stand for?
9. Electric power is typically measured in what
units?
10. True or false? You can extend battery life by storing batteries at a low temperature.
Answer Key
1. Ammeter
2. True
3. Direct current
4. Filament
5. Low
6. False (Michael Faraday)
7. Ohms
8. Alternating current
9. Watts
10. True
