Cumulative Review - Chapters 1- 5 (20 Questions)
The following test covers a variety of questions as an overall review.
- 1.
Which reaction releases energy in the form of heat?
- A.
Endothermic reaction
- B.
Exothermic reaction
- C.
Explosion
- D.
Freezing
Correct Answer
B. Exothermic reactionExplanation
Exo- means releasing or going out.Rate this question:
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- 2.
What remains the same in an object on the moon?
- A.
Weight
- B.
Material
- C.
Mass
- D.
Energy
Correct Answer
C. MassExplanation
Weight must have gravity to stay the same, but mass is the amount of matter in the object, which does not depend upon gravity.Rate this question:
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- 3.
What kind of change in matter produces new substances, such as a burning match?
- A.
Physical change
- B.
Observable change
- C.
Chemical change
- D.
Amorphous solid
Correct Answer
C. Chemical changeExplanation
A burning match undergoes a chemical change. In a chemical change, the composition of the matter is altered, resulting in the formation of new substances. When a match burns, the reactants (the matchstick and oxygen from the air) undergo a chemical reaction, which produces new substances such as carbon dioxide, water vapor, and ash. This change is not reversible, and the properties of the original substances are permanently altered. Therefore, a burning match is an example of a chemical change.Rate this question:
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- 4.
Which weighs more, a kilogram of chicken or a kilogram of feathers?
- A.
Chicken weighs more the feathers
- B.
Feathers weigh less than the chicken
- C.
Chicken and feathers weigh the same
- D.
Feathers weigh more than the chicken
Correct Answer
C. Chicken and feathers weigh the sameExplanation
The correct answer is that chicken and feathers weigh the same. This is because both a kilogram of chicken and a kilogram of feathers have the same weight, which is one kilogram. The question is a play on words, as it tricks the reader into thinking that the feathers would weigh less due to their lighter and fluffier nature compared to the solid mass of the chicken. However, weight is determined by the mass of an object, and in this case, both the chicken and the feathers have the same mass of one kilogram.Rate this question:
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- 5.
What is amount of the measurement on the meter stick, which is located at the letter F? (Remember each black mark is 1/10 or or 0.1 after you read the whole number).
- A.
5.0 in.
- B.
4.9 in.
- C.
4.9 cm
- D.
4.9 mL
Correct Answer
C. 4.9 cmExplanation
The correct answer is 4.9 cm because the question asks for the measurement on the meter stick at the letter F. The other options (5.0 in., 4.9 in., 4.9 mL) are not relevant to the meter stick measurement. The given answer matches the unit of measurement specified in the question (cm) and is the closest measurement to the letter F on the meter stick.Rate this question:
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- 6.
Who invented the idea of gravity when an apple fell off a tree?
- A.
Galileo
- B.
Newton
- C.
Charles
- D.
Boyle
Correct Answer
B. NewtonExplanation
Newton is the correct answer because he is credited with formulating the concept of gravity when an apple fell off a tree. This event is said to have inspired Newton to develop his theory of universal gravitation, which states that every object in the universe attracts every other object with a force that is directly proportional to their masses and inversely proportional to the square of the distance between them. Newton's work on gravity revolutionized our understanding of the physical world and laid the foundation for modern physics.Rate this question:
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- 7.
Which state of matter has the atoms stripped of their electrons and the nuclei are packed very close together? This state of matter is found in lightening, shooting stars, and the sun with great amounts of energy.
- A.
Solid
- B.
Gas
- C.
Liquid
- D.
Plasma
Correct Answer
D. PlasmaExplanation
Plasma is the state of matter where atoms are stripped of their electrons and the nuclei are packed very close together. It is found in lightning, shooting stars, and the sun, where there is a great amount of energy.Rate this question:
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- 8.
What is the temperature when it is freezing outside in the metric system?
- A.
32 degrees Fahenheit
- B.
212 degrees Fahenheit
- C.
100 degrees Celsius
- D.
0 degrees Celsius
Correct Answer
D. 0 degrees CelsiusExplanation
Freezing point is the temperature at which a substance changes from a liquid to a solid state. In the metric system, the freezing point of water is 0 degrees Celsius. Therefore, when it is freezing outside, the temperature would be 0 degrees Celsius.Rate this question:
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- 9.
Which term is used to describe materials that can be pounded or rolled into a shape?
- A.
Ductile
- B.
Malleable
- C.
Hammered
- D.
Moldable
Correct Answer
B. MalleableExplanation
Malleable is the term used to describe materials that can be pounded or rolled into a shape. This means that the material can be easily deformed under compression without breaking or cracking. Malleable materials have the ability to change their shape without losing their strength or integrity.Rate this question:
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- 10.
What are the subatomic particles which orbit in energy levels around the nucleus and has negative charges in an atom?
- A.
Neutrons
- B.
Protons
- C.
Electrons
- D.
Quarks
Correct Answer
C. ElectronsExplanation
Electrons are the subatomic particles that orbit in energy levels around the nucleus and have negative charges in an atom.Rate this question:
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- 11.
What are two or more substances that are mixed together but not chemically combined?
- A.
Molecule
- B.
Element
- C.
Mixture
- D.
Compound
Correct Answer
C. MixtureExplanation
Two or more substances that are mixed together but not chemically combined are called a mixture. In a mixture, the substances retain their individual properties and can be separated by physical means. This is different from a compound, where two or more elements are chemically combined to form a new substance with different properties.Rate this question:
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- 12.
Which safety rule is Harry, the scientist, NOT practicing in the science labortory?
- A.
Tying his long hair back to avoid catching it on fire or becoming entangled in a machine.
- B.
Reading the measurement of the beaker or graduated cylinder at eye level to read the meniscus, the lowest point of liquid, to get a precise measurement.
- C.
Rolling up his long sleeves to avoid catching them on fire or dipping them into chemicals.
- D.
Following directions of the science teacher to observe carefully before pouring chemicals into his beaker.
Correct Answer
C. Rolling up his long sleeves to avoid catching them on fire or dipping them into chemicals.Explanation
Harry is not practicing the safety rule of rolling up his long sleeves to avoid catching them on fire or dipping them into chemicals.Rate this question:
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- 13.
What is the temperature when boiling a liquid in the metric measurement?
- A.
212 degrees Fahenheit
- B.
32 degrees Fahenheit
- C.
100 degrees Celcius
- D.
37 degree Celcius
Correct Answer
C. 100 degrees CelciusExplanation
The boiling point of a liquid in the metric measurement is 100 degrees Celsius.Rate this question:
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- 14.
What is the absorbing of energy in the form of heat, such as an ice pack absorbing energy, resulting the drop in temperature?
- A.
Chemical reaction
- B.
Exothermic reaction
- C.
Endothermic reaction
- D.
Nuclear reaction
Correct Answer
C. Endothermic reactionExplanation
An endothermic reaction is a chemical reaction that absorbs energy in the form of heat from its surroundings. When an ice pack absorbs energy, it takes in heat from its surroundings, resulting in a drop in temperature. This is an example of an endothermic reaction because the ice pack is absorbing energy (heat) from its surroundings.Rate this question:
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- 15.
What type of change is the melting of a snowman?
- A.
Chemical change
- B.
Physical change
- C.
Melting
- D.
Perspiration
Correct Answer
B. pHysical changeExplanation
The melting of a snowman is a physical change because it involves a change in the physical state of matter from solid to liquid, without any change in the chemical composition of the snowman's materials.Rate this question:
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- 16.
What is the precise measurement on the triple beam balance? (Remember to look at the hundreds, then add the 10's, then add the ones, then add the tenths or decimals).
- A.
97.3 cm
- B.
79.3 mL
- C.
79. 3 g
- D.
82 g
Correct Answer
C. 79. 3 gExplanation
The precise measurement on the triple beam balance is 79.3 g.Rate this question:
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- 17.
What is the measurement on the graduated cylinder?
- A.
54 mL
- B.
53 mL
- C.
53 oz.
- D.
54 oz.
Correct Answer
B. 53 mLExplanation
The measurement on the graduated cylinder is 53 mL.Rate this question:
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- 18.
What is the amount of space that matter, the liquid, takes up in a graduated cylinder?
- A.
Mass
- B.
Volume
- C.
Density
- D.
Distance
Correct Answer
B. VolumeExplanation
The amount of space that matter, the liquid, takes up in a graduated cylinder is referred to as its volume. Volume is a measure of the three-dimensional space occupied by an object or substance. In the context of a graduated cylinder, volume is typically measured in milliliters (mL) or cubic centimeters (cm³).Rate this question:
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- 19.
In 440 B.C., who is given credit for naming the atom after he named the smallest piece of matter an "atomos", meaning uncuttable? He thought the smallest piece of matter could not be divided any smaller?
- A.
Dalton
- B.
Democritus
- C.
Charles
- D.
Medeleev
Correct Answer
B. DemocritusExplanation
Remember it says the "First Person". Dalton was the known ash "The Father of the Atomic Model".Rate this question:
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- 20.
Who imagined the model of the atom was like tiny marbles or a solid billard ball that was impossible to break?
- A.
Thomson
- B.
Bohr
- C.
Democritus
- D.
Dalton
Correct Answer
D. DaltonExplanation
Dalton also experiment with the atom and Democritus did not.Rate this question:
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Mar 20, 2023Quiz Edited by
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Oct 27, 2008Quiz Created by
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