Science 6 Advanced, Gifted

Mrs. Santiago

 

Welcome to my webpage. The midterm review may be found below. 

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                  Science 6 Midterm 2008-2009

This is a guide of the type of questions that you may see on the midterm exam. Please note that diagrams, and graphs are not shown. This is only a guide.

____ 1. ____ are small particles that make up most types of matter on Earth.

a.	Compounds	c.	Mixtures
b.	Atoms	d.	Elements

 

____ 2. What property of an object is measured in grams?

a.	weight	c.	capacity
b.	mass	d.	volume

 

____ 3. What is the best explanation of a scientific law?

a.	A statement about how things work in nature that seems to be based on many opinions.
b.	A statement about how things work in nature that needs to be proved with further experiments.
c.	A statement about how things work in nature that seems to be true all of the time.
d.	A statement about how things work in nature that seems to be true some of the time.

 

____ 4. Of the four states of matter, which is common in the universe but less common on Earth?

a.	solid
b.	plasma
c.	liquid
d.	gas

 

____ 5. What unit would Abraham use to measure the area of a carpet?

a.	square meters	c.	cubic centimeters
b.	meters	d.	square kilograms

 

____ 6. The motion of atoms in all directions in solids, liquids, and gases is called ____.

a.	radiation	c.	random motion
b.	convection	d.	magnetism

 

____ 7. The Sun emits a form of energy called ____ energy.

a.	mechanical	c.	chemical
b.	orbital	d.	radiant

 

____ 8. At 0°C on the Celsius temperature scale, ____.

a.	all particle motion stops	c.	water is room temperature
b.	water boils	d.	water freezes

 

____ 9. Which of the following is NOT a measurement?

a.	weight	c.	shoe size
b.	eye color	d.	age

 

____ 10. Data in a table is organized ____.

a.	in rows and columns	c.	to the greatest precision
b.	from greatest to least	d.	all of these

 

____ 11. The SI unit of mass is the ____.

a.	cubic meter	c.	kilogram
b.	liter	d.	meter

 

____ 12. Lazaro has learned that the atomic number of an element tells the number of ____ in the nucleus of an atom of that element.

a.	protons	c.	isotopes
b.	neutrons	d.	electrons

 

____ 13. The total amount of energy in the universe ____.

a.	remains the same	c.	is always decreasing
b.	is always increasing	d.	varies from moment to moment

 

____ 14. A(n) ____ is an explanation of things or events based on many observations.

a.	control	c.	theory
b.	hypothesis	d.	experiment

 

____ 15. How do weight and mass differ?

a.	Weight depends only on pressure in the atmosphere; mass depends on gravity.
b.	Mass depends on the amount of matter in the atmosphere; weight does not.
c.	Mass depends on the amount of matter in an object; weight depends on gravity.
d.	Weight depends on the amount of matter in an object; mass depends on gravity.

 

____ 16. Rutherford’s experiment showed that most of an atom is made up of ____.

a.	alpha particles	c.	an electron cloud
b.	a nucleus	d.	empty space

 

____ 17. An example of thermal energy transfer by convection is the ____.

a.	heating of the ocean by sunlight	c.	formation of air currents
b.	melting of ice	d.	heating of the ground by sunlight

 

____ 18. Which is the change of a solid to a gas without becoming a liquid?

a.	boiling
b.	transparency
c.	sublimation
d.	ductility

 

____ 19. A(n) ____ is a particle in an atom with a positive charge.

a.	isotope	c.	electron
b.	proton	d.	neutron

 

____ 20. The ability to cause change is ____.

a.	conduction	c.	heat
b.	energy	d.	transformation

 

____ 21. Most elements found on the left side of the periodic table are ____.

a.	brittle	c.	metals
b.	metalloids	d.	nonmetals

 

____ 22. Where on a line graph is an independent variable placed?

a.	along the horizontal, or y, axis
b.	along the vertical, or x, axis
c.	along the vertical, or y, axis
d.	along the horizontal, or x, axis

 

____ 23. Matter that is NOT considered to be a single substance is a(n) ____.

a.	isotope	c.	mixture
b.	compound	d.	element

 

____ 24. If the amount of energy required to boil a pot of water were added to a swimming pool, the water in the pool would

a.	change very little	c.	warm
b.	cool	d.	boil

 

____ 25. How are SI units related?

a.	by multiples of 100
b.	by multiples of 1,000
c.	by multiples of 1
d.	by multiples of 10

 

____ 26. Which is the symbol for the SI unit of temperature?

a.	°T	c.	°K
b.	°F	d.	K

 

____ 27. Which is the SI unit of time?

a.	day
b.	minute
c.	second
d.	hour

 

____ 28. Kristen picks up two balls of equal density.

Why is the mass of ball B greater than that of ball A?

a.	Ball A has greater length.
b.	Ball B has greater volume.
c.	Ball A has greater volume.
d.	Ball B has a higher melting point.

 

____ 29. Sean can make a rough measurement of an object by _____.

a.	estimation
b.	mass
c.	volume
d.	determination

 

____ 30. Which graph would best show what percent of Eric’s class wears glasses?

a.	circle graph	c.	line graph
b.	bar graph	d.	any of these graphs

 

____ 31. What evidence do scientists use to form conclusions about their experiments?

a.	old scientific theories
b.	newspaper articles
c.	data and observations
d.	people’s opinions

 

____ 32. The ability to reverse a change in matter indicates that a ______ change has taken place.

a.	chemical
b.	physical
c.	metallic
d.	atomic

 

____ 33. Charlene plays with a bouncing rubber ball. It has each of the following EXCEPT ____.

a.	potential energy	c.	temperature
b.	kinetic energy	d.	heat

 

____ 34. Which represents the SI unit of volume?

a.	m3
b.	km2
c.	m2
d.	km3

 

____ 35. Preston draws a picture of molecules for the class bulletin board.

In what state of matter do you think these molecules would be found?

a.	solid
b.	gas
c.	liquid
d.	plasma

 

____ 36. This chart shows part of the international system of units. Amy buys a candy bar. On the candy’s wrapper it says "39 g."

According to the chart, what does 39 g measure?

a.	mass
b.	volume
c.	liter
d.	kilogram

 

____ 37. Which multiplier would you use to convert 1.9 km to meters?

a.	1/1000	c.	1000
b.	1/100	d.	10

 

____ 38. The spring inside Sediq’s moving wind-up toy has ____.

a.	both potential energy and kinetic energy
b.	kinetic energy only
c.	neither potential energy nor kinetic energy
d.	potential energy only

 

____ 39. A digital thermometer shows the temperature as 21.2°C. The thermometer is precise to the nearest ____.

a.	0.01°	c.	1°
b.	0.1°	d.	10°

 

____ 40. Let’s suppose that Victoria travels to Mars. Compare her weight and her mass on Mars to her weight and mass on Earth.

a.	Both her weight and her mass would change.
b.	Both her weight and mass would remain the same.
c.	Her weight would change, her mass would remain the same.
d.	Her weight would remain the same, her mass would change.

 

____ 41. Rami peers through a piece of translucent glass. What can he see?

a.	He can see clearly through the glass
b.	He can see some light through the glass
c.	He can see only his reflection
d.	He can see nothing through the glass

 

____ 42. Water is an example of a(n) ____.

a.	heterogeneous mixture	c.	homogeneous mixture
b.	element	d.	compound

 

____ 43. Donaji is vacationing with her family. They travel to an outdoor exhibit where people re-enact what life was like before the American Revolution. She watches as a blacksmith hammers on hot metal to make horseshoes. Donaji is watching ___________

a.	the chemical property of ductility
b.	the chemical property of malleability
c.	the physical property of malleability
d.	the physical property of ductility

 

____ 44. A property NOT associated with metals is ____.

a.	ductility	c.	electric conductivity
b.	brittleness	d.	shininess

 

____ 45. Anakarina drops a rock into a beaker containing 3 mL of water.

What is the volume of the rock?

a.	3 cm3
b.	2 cm3
c.	1 cm3
d.	4 cm3

 

____ 46. When Marvin uses a flashlight, there’s production of light and ____ energy.

a.	chemical	c.	thermal
b.	nuclear	d.	potential

 

____ 47. Which is a reasonable estimate of the length around your wrist?

a.	58 nm	c.	8 mm
b.	36 km	d.	20 cm

 

____ 48. What do qualitative descriptions provide information about?

a.	numbers or measurements
b.	how far
c.	properties or characteristics
d.	how much

 

____ 49. Isotopes of an element contain different numbers of ____.

a.	electrons	c.	energy levels
b.	protons	d.	neutrons

 

____ 50. Each of these is an example of matter EXCEPT ____.

a.	a dust particle	c.	a beam of light
b.	air	d.	a cloud

 

____ 51. Anthony wants to see if plant food would make his roses grow better. On one side of the garden, he uses plant food. On the other side, he does not use plant food. What is the variable in his experiment?

a.	the brand of plant food used
b.	what type of roses the gardener grows
c.	which roses receive plant food
d.	the type of soil used to grow the roses

 

____ 52. A pitcher holds 1.725 L. What is the capacity of the pitcher to the nearest liter?

a.	1 L	c.	1.73 L
b.	2 L	d.	1.7 L

 

____ 53. Brent holds a ball with a volume of 175 cm³ and a mass of 38.5 g. What is density of the ball?

a.	2.2 g/cm3
b.	22 g/cm3
c.	0.22 g/cm3
d.	0.022 g/cm3

 

____ 54. What is NOT a way that scientists would use to solve problems?

a.	make guesses
b.	ask questions
c.	perform experiments
d.	analyze data

 

____ 55. Chris draws a best-fit line on a line graph.

By extending the best-fit line, how many new students might there be in 2006?

a.	150
b.	250
c.	200
d.	275

 

____ 56. All of the following EXCEPT ____ are SI units.

a.	tonne	c.	kilometer
b.	inch	d.	gram

 

____ 57. What unit would Edward use to measure the length of a carpet?

a.	meters	c.	kilometers
b.	liters	d.	kilograms

 

____ 58. Marcial and some friends are camping out. As they cook marshmallows over a campfire, they watch the logs slowly turn to ash. What process are they observing?

a.	physical change
b.	chemical change
c.	physical property
d.	chemical property

 

____ 59. Which unit would Alexson use to measure the length of a mailbox?

a.	nanometer	c.	meter
b.	kilometer	d.	centimeter

 

____ 60. Radiation involves the transfer of energy by ____.

a.	air flow	c.	waves
b.	temperature differences	d.	particle collisions

 

____ 61. A scale is marked in tenths of a kilogram. To what precision can the mass of a bag of apples be measured?

a.	the nearest one-half kilogram	c.	the nearest tenth of a kilogram
b.	the nearest kilogram	d.	the nearest ten kilograms

 

____ 62. A ____ is a prediction that can be tested.

a.	variable	c.	hypothesis
b.	theory	d.	scientific law

 

____ 63. If a liquid turns to a gas at –5ºC, how does its boiling point compare to the boiling point of water? The liquid’s boiling point is _____________ than that of water’s.

a.	5º lower
b.	5º higher
c.	100º higher
d.	105º lower

 

____ 64. ____ developed a model called the atomic theory of matter.

a.	John Dalton	c.	Democritus
b.	J. J. Thompson	d.	Ernest Rutherford

 

____ 65. The average kinetic energy of the atoms in an object determines its ____.

a.	mass	c.	temperature
b.	specific heat	d.	speed

 

____ 66. The transfer of energy from warmer to cooler objects is known as ____.

a.	conservation	c.	absolute zero
b.	heat	d.	temperature

 

____ 67. Kinetic energy plays a role in each of the following EXCEPT a ____.

a.	moving soccer ball	c.	skier standing at the top of a hill
b.	car traveling at 40 mph	d.	skydiver falling toward Earth

 

____ 68. Materials that do not transfer heat easily are ____.

a.	insulators	c.	metals
b.	thermals	d.	conductors

 

____ 69. Which is NOT an SI unit?

a.	millimeter	c.	ounce
b.	decimeter	d.	kilograms

 

____ 70. Randy observes snowflakes on a winter day. As they fall, they ____.

a.	lose kinetic energy and gain potential energy
b.	gain both potential and kinetic energy
c.	lose both potential and kinetic energy
d.	lose potential energy and gain kinetic energy

 

____ 71. The transfer of thermal energy through liquids and gases is called ____.

a.	conduction	c.	convection
b.	osmosis	d.	radiation

 

____ 72. During Chadwick’s experiments, streams of ____ were unaffected by an electric field.

a.	protons	c.	alpha particles
b.	neutrons	d.	electrons

 

____ 73. What is a scientific theory?

a.	An explanation of things or events based on knowledge.
b.	An explanation of things or events based on estimated guesses.
c.	An explanation of things or events based on opinion.
d.	An explanation of things or events based on a rejected hypothesis.

 

____ 74. Elisa’s car can travel one fourth of a kilometer in a second. How should the car’s speed be expressed?

a.	0.25 s/km
b.	0.25 km/s
c.	0.04 km/s
d.	0.04 s/km

 

____ 75. Myrella has prepared a list of characteristics of matter: ability to react with oxygen, boiling point, flammability, mass, and melting point. Which are physical properties?

a.	flammability, melting point, ability to react with oxygen
b.	mass, boiling point, melting point
c.	melting point, boiling point, flammability
d.	boiling point, flammability, mass Questions? See me in class or come to tutoring on Thursday after school. Consult your textbook or follow the online textbook link at the bottom of this page. Midterm Schedule: Monday, Dec 15-       Period   1 Tuesday, Dec 16-      Periods 2,6 Wednesday, Dec 17- Periods 3,7 Thursday, Dec 18-     Periods 4,8 Friday, Dec 19-          Period 5       ADOPT •A • CLASSROOM Here’s How to Adopt a Classroom: Go to www.adoptaclassroom.org. Click on the U.S. map to find a teacher or school. Select teacher name from search results and click Adopt. Enter the donation amount and click Next. Checkout and select credit card to be eligible for the $25 match. If you have any questions or comments please contact Adopt-A-Classroom by phone at 877-444-7666 or email at help@adoptaclassroom.org. *Some restrictions apply. The promotion period begins December 10, 2008. Donate to your favorite teacher and OfficeMax will add $25* ADOPT •A • C LASSROOM Starting December 10th, OfficeMax will add an extra $25 to the first 2,000 donations Applies only to online credit card donations Donate at www.adoptaclassroom.org A teacher can transform $25 to make a real impact in the classroom: All donations are tax-deductible 100% of the donation goes directly to the teacher It’s Easy!

Science 6 Advanced, Gifted

Mrs. Santiago

 

Welcome to my webpage.

 

We have just finished our first nine weeks and are just moving on to the second. Time seems to be flying by! 

 

We have completed our study of chemistry. I hope you enjoyed the labs! During these second nine weeks, we will have a taste of physics. We will focus on the properties and forms of energy, temperature and motion, kinetic and potential energy, law of conservation of energy, convection, conduction and radiation. We'll also study waves, electricity, magnetism, circuits and electromagnets.

 

With holidays just around the corner, I strongly encourage you to remain on task, study hard and I guaranteee a smooth sailing. Keep doing your assignments, and refer to your textbook often.

 

I look forward to a very productive time. You may see me on Thursday afternoons for tutoring if you need additional help.  

 

Sincerely,

 

Mrs. Santiago