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Subject Area Exam > Science > Flashcards

Science Flashcards

1
Q

This type of rock was originally liquid below the Earth’s crust and is formed by lava and magma:

A. sedimentary
B. igneous
C. metamorphic
D. fossils

A

igneous

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2
Q

This type of rock is formed by heat and pressure:

A. fossil
B. sedimentary
C. igneous
D. metamorphic

A

metamorphic

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3
Q

A river flows through a canyon and picks up silt. That sediment and silt runs downstream and
deposits where the river ends. When that material gets to the beach, it sits there. Over millions of years, _________________________ form.

A. fossils
B. sedimentary rocks
C. igneous rocks
D. metamorphic rocks

A

sedimentary rocks

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4
Q

Mr. Lopez is teaching a unit on seasons. He explains why summer days are longer and winter days are shorter. What should Mr. Lopez emphasize regarding the Earth when explaining this phenomenon?

A. revolution around the sun
B. tilt on its axis
C. position in the solar system
D. distance away from the sun

A

tilt on its axis

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5
Q

The sun appears bigger than other stars because of:

A. the size of the sun.
B. the size of the solar system.
C. the distance Earth is from the sun.
D. the distance the sun is from Mars

A

the distance Earth is from the sun.

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6
Q

The six different kingdoms are:

A. plante, animalia, fungi, protista, eubacteria, archaebacteria.

B. phylum, animalia, fungi, protista, eubacteria, archaebacteria.

C. plante, animalia, fungi, protista, eubacteria, prokaryote.

D. plante, animalia, fungi, protista, eukaryote, archaebacteria.

A

plante, animalia, fungi, protista, eubacteria, archaebacteria.

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7
Q

The particles in an atom that are negatively charged are:

A. electrons.
B. protons.
C. neutrons.
D. protons and neutrons together

A

electrons.

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8
Q

A tree going through photosynthesis is using what type of energy?

A. chemical energy
B. mechanical energy
C. solar energy
D. electrical energy

A

chemical energy

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9
Q

__________________ are atoms that have lost or gained one or more ___________________.

A. compounds, electrons
B. ions, elections
C. compounds, protons
D. ions, protons

A

ions, elections

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10
Q

Mr. Jasper wants to show students when oil and water are shaken, no matter how hard, the oil can still be seen as little oil bubbles throughout the mixture. Mr. Jasper is showing the class a:

A. homogeneous mixture.
B. heterogeneous mixture.
C. solution.
D. colloid.

A

B. heterogeneous mixture.

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11
Q

Ms. Francis wants to conduct a lab with her students. What is the best way to ensure safety, efficiency, and student learning?

A. Get students into groups to learn on their own.

B. Predetermine groups, conduct the lab, and debrief.

C. Predetermine groups, assign specific roles for each student, and require a lab journal write-up.

D. Go over the scientific method to ensure students understand the process of the lab.

A

C. Predetermine groups, assign specific roles for each student, and require a lab journal write-up.

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12
Q

Eukaryotic organisms are _________________, and prokaryotic organisms are ___________________.

A. single cellular, multicellular
B. multicellular, single cellular
C. multicellular, multicellular
D. single cellular, single cellular

A

B. multicellular, single cellular

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13
Q

In an experiment to see if fertilizer works on a cactus, students have two cacti. Both cacti receive the same water and sunlight. Both cacti are in the same place within the room, and the temperature is the same for both cacti. However, one cactus gets fertilizer and the other does not. Identify the independent
variable and the dependent variable.

A. The independent variable is the sunlight. The dependent variable is the fertilizer.

B. The independent variable is the fertilizer. The dependent variable is the growth of the cacti in centimeters.

C. The independent variable is the cactus that did not get fertilizer. The dependent variable is the sun.

D. The independent variable is the fertilizer. The dependent variable is the sun.

A

B. The independent variable is the fertilizer. The dependent variable is the growth of the cacti in centimeters.

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14
Q

In a lunar eclipse, what is the order of the Earth, sun, and moon?

A. sun, Earth, moon
B. Earth, moon, sun
C. moon, Earth, sun
D. Earth, sun, moon

A

sun, Earth, moon

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15
Q

A third grade teacher wants to evaluate student learning in photosynthesis. She is having students conduct a lab to show their mastery of concepts covered in the photosynthesis unit. What kind of assessment is the teacher using?

A. formative
B. summative
C. criterion
D. performance-based

A

performance-based

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16
Q

A student is conducting an experiment to see which brand of fertilizer yields the most growth. All the pots have received the same amount of seeds, soil, water, and sunlight. The only difference is each pot receives one type of fertilizer. She observes the growth and records the data. To make this experiment stronger she could:

A. add a hypothesis.

B. add a control.

C. add an independent variable.

D. add a dependent variable.

A

B. add a control.

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17
Q

An organism that consumes food from its environment is a(n):

A. heterogeneous.
B. heterotroph.
C. autotroph.
D. parasite.

A

B. heterotroph.

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18
Q

The teacher is giving students a test at the end of a science unit. The grades from the test will be documented in the grade book and will impact students’ overall grades. She is giving a
________________ assessment.

A. formative
B. normative
C. summative
D. authentic

A

C. summative

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19
Q

A(n) __________________ has lost or gained an electron.

A. isotope
B. ion
C. atom
D. neutron

A

ion

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20
Q

____________________ are formed when the Earth’s plates pull apart.

A. Convergent plate boundaries
B. Subjective plate boundaries
C. Volcanic plate boundaries
D. Divergent plate boundaries

A

D. Divergent plate boundaries

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21
Q

An element manipulated in the experiment

A

Independent variable

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22
Q

What the scientist is measuring in an experiment

A

Dependent variable

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23
Q

The elements of the experiment that a scientist wants to remain the same and it must be observed carefully

A

Control variable

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24
Q

How do you find out mass of an object

A

Mass= density X volume

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25
Q

How do you find out the volume

A

Volume = mass divided by density

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26
Q

How do you find out density

A

density = mass divided by volume

27
Q

What are the two types of mixtures

A

Homogeneous and heterogeneous

28
Q

Neutrally charged subatomic particle that are located in the nucleus

A

Neutrons

29
Q

Positively charged subatomic particles that are located in the atoms nucleus

A

protons

30
Q

Smallest particle in a chemical element or compound that has the chemical properties of that element or compound

A

molecule

31
Q

Two or more forms of the same element that have the same number of protons but a different number of neutrons

A

Isotopes

32
Q

Transfer of heat by the actual movement of the warmed matter

A

convection

33
Q

Transfer of heat from particle to particle.

A

conduction

34
Q

Formations formed as a result of earths tectonic plates smashing together

A

mountains

35
Q

Formations that are formed when magma from within earths upper mantle erupts through the surface

A

volcanoes

36
Q

Formations that are formed by weathering and erosion caused by the movement of rivers and tectonic activity

A

canyons

37
Q

Divergent

A

pulling apart

38
Q

Convergent

A

coming together

39
Q

Subduction

A

Sideways and downward movement of the edge of a plate into the mantle beneath another plate

40
Q

The outermost shell of earth. Aka the crust

A

Lithosphere

41
Q

All the water on earth in liquid form

A

hydrosphere

42
Q

The global sum of all ecosystems and living organisms

A

biosphere

43
Q

The masses of frozen water

A

cryosphere

44
Q

What does the heliocentric theory believe

A

The sun is at the center of the universe

45
Q

What does the geocentric theory state

A

Believed that earth sat stationary at the center of the universe.

46
Q

When talking about moon illumination

Waxing =
Waning=

A 
Waxing = illuminated in the right side 
Waning= illuminated on the left side
47
Q

The ____ occurs when the moon passes directly behind earth into its shadow

A

Lunar eclipse

48
Q

The ____ happens when the moon moves in front of the sun

A

Solar eclipse

49
Q

This area is located around the outer edge of the Pacific Ocean and is where most volcanic activity occurs

A

Ring of fire

50
Q

A unicellular organism that lacks a nucleus, mitochondria, or any other membrane bound organelle

A

Prokaryote

51
Q

A multicellular organism that contains a nucleus, mitochondria, and membrane bound organelles

A

Eukaryote

52
Q

What do plant cells have that animal cells do no have

A

Plant cells have chloroplast and cell walls

Animal cells have plasma membranes and no chloroplast

53
Q

A eukaryote that doesn’t make its own food and that doesn’t contain cells with a cell wall is an

A

Animalia

54
Q

During this stage of mitosis, chromosomes line up in the idle of the cell and spindle fibers attach to the center of the chromosomes

A

Metaphase

55
Q

Sometimes during cell division sex cells contain three copies of chromosomes instead of two. This results in

A

trisomy

56
Q

A symbolic relationship where both organism benefit is called

A

Mutualism

57
Q

The term used to refer to a plan growing toward light

A

Phototropism

58
Q

A student scores in the 75 percentile on a national science test. What type of assessment did the student take

A

Norm referenced

59
Q

Before scientists can perform an experiment on human subjects, scientist must:

A

Obtain informed consent

60
Q

In the energy pyramid which section contains the most energy

A

The very bottom

61
Q

There are herbivores that eat the producers in a food web

A

Primary consumers

62
Q

_____ make their own food

A

Autotrophs

63
Q

Before a cell can divide, the DNA must go through this process

A

DNA replication

Subject Area Exam (4 decks)

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