Test
Matter Quiz
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Preguntas del test (18)
1Which of these statements BEST explains why chemistry is flexible?
- AIt is biased
- BIt adds new evidence
- CIt cannot be reproduced
- DIt cannot be verified
2Which of the following questions can be answered by science?
- AWhat is the purpose of our existence on earth?
- BShould students be allowed to bring toys to school?
- CShould the driving age be reduced?
- DWhat is the composition of air?
3Which of the following is the unit of length in the metric system?
- AMeter
- BFoot
- CInch
- DMile
4A car travels at a speed of 80 km/h. Which of the following is correct to convert the speed of the car to hm/s? (1 km = 10 hm, 1 hr = 3600 s)
- ADivide 80 by 3,600
- BMultiply 80 by 3,600
- CDivide 80 by 10 and multiply the results obtained by 3,600
- DMultiply 80 by 10 and divide the result obtained by 3,600
5Which of the following types of energy does an object have because of its position?
- APotential
- BKinetic
- CRadiant
- DSound
6Which of the following shows examples of things that convert light energy into electrical energy?
- AFan and wind turbine
- BLight bulb and blender
- CSolar panels and solar cells
- DAirplane and human body
7The atoms and molecules in a gas are in constant motion. Temperature is a measure of this motion. How are these related?
- AAs temperature decreases, the molecules and atoms move farther apart.
- BAs temperature increases, the molecules and atoms move faster
- CAs temperature decreases, the molecules and atoms move faster
- DAs temperature increases, the molecules and atoms move farther apart
8The table compares the characteristics of a substance in three different states of matter. Which of these BEST describes the state of the substance represented by state Y?
- AIt is a solid because there is negligible attraction between particles
- BIt is a liquid because there is negligible attraction between particles
- CIt is a liquid because the particles of the substance have higher speeds
- DIt is a gas because the particles of the substance have the highest speeds
9The following properties are either physical or chemical. Which one is different from the rest based on those two categories?
- AFlammability
- BThermal Conductivity
- CMagnetism
- DBoiling Point
10Which of the following could result from a substance that undergoes a physical change?
- AIt undergoes phase change
- BIt changes irreversibly
- CIts elemental composition is altered
- DIts atoms rearrange to form a new molecule
11What type of change occurs when an iron bar rusts?
- AChemical change
- BIt is reversible
- CIt cannot be reversed
- DPhysical change
- ERust is the formation of a new substance
- FRust is part of the metal and not a new substance
12What type of change occurs when a substance freezes?
- AChemical change
- BPhysical change
- CPhase changes
- DComposition changes
- ECan revert back to its original form
- FCannot revert back to its original form
13Which of the following is a property of a pure substance?
- AIts components can be separated by applying physical methods
- BIt consists of different types of compounds
- CIt is made up of a single element or type of compound
- DIt may have substances in different states of matter
14The gas carbon dioxide is a pure substance. Which of the following is true about carbon dioxide?
- ACarbon and oxygen are chemically bonded in it.
- BThe portion of carbon and oxygen is different in different samples of gas.
- CCarbon and oxygen retain their original identity in it.
- DIt can be separated into carbon and oxygen using physical methods.
15A student compares the boiling point of substances having different intermolecular forces. Which independent variable did the student most likely use?
- ABoiling points of various substances
- BType of source used to heat up the substances
- CType of container used for the substances
- DThe intermolecular forces of various substances
16Which of the following is an example of using creativity while trying to explore scientific questions?
- AUsing accurate and precise measurements
- BThinking of various research projects
- CUsing trial-and-error methods
- DSelecting appropriate lab equipment
17A balance scale is used to weigh a 2.233 g sample of copper sulfate. Which of these measurements made is the most accurate?
- A2.2 g
- B2.1 g
- C2.5 g
- D2.4 g
18Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees Celsius?
- AThermometer A, because it measures temperature more accurately than Thermometer B
- BThermometer B, because it measures temperature more precisely than Thermometer A
- CThermometer A, because it measures temperature more precisely than Thermometer B
- DThermometer B, because it measures temperature more accurately than Thermometer A
Información
- Descripción
- A quiz on matter as well as measuring and laboratory techniques.
- Autor
- Kate Larsen
- Idioma
- English
- Visitas
- 154
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test