What is the independent variable in an experiment?

The variable that is changed or controlled to test its effects

What is the function of a conductor?

To allow electricity to flow through it

What is the role of evidence in scientific investigations?

To support or refute a hypothesis

What are the six types of simple machines?

Lever, wheel, pulley, plane, screw, wedge

What is the order of the planets in the solar system?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

What is the function of the nervous system?

Send and receive messages in the body

What are the layers of the atmosphere?

Exosphere Thermosphere Mesosphere Stratosphere Troposphere

What is the function of the nervous system?

Send and receive messages in the body

What is the purpose of a hypothesis?

To provide a testable explanation for an observation

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Scientific Knowledge Praxis 5005 Challenge

76 termsStudBud Administration2 plays

Put your scientific knowledge to the test with questions covering the scientific method, plate boundaries, cell biology, physics laws, and more!

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Questions 76

Answers

1
What is the largest organ in the human body?
Heart
Brain
Skin
Lungs
2
Which planet is known as the 'Red Planet'?
Earth
Mercury
Mars
Venus
3
What is the main source of energy for Earth?
Wind
Coal
Water
The Sun
4
What is the independent variable in an experiment?
The control group
The dependent variable
The variable that is changed or controlled to test its effects
The variable that is kept constant
5
What is the function of a conductor?
To generate electricity
To store electricity
To allow electricity to flow through it
To resist electricity flow
6
What is the 'powerhouse' of the cell?
Chloroplast
Mitochondria
Ribosome
Nucleus
7
What is the role of evidence in scientific investigations?
To hide the truth
To support or refute a hypothesis
To complicate experiments
To confuse researchers
8
What remains unchanged in an experiment?
Dependent variable
Control variable
Independent variable
Experimental variable
9
What process do plants use to make food?
Respiration
Digestion
Photosynthesis
Fermentation
10
What are the six types of simple machines?
Lever, wheel, pulley, plane, screw, gear
Lever, gear, pulley, plane, screw, wedge
Lever, wheel, pulley, plane, gear, wedge
Lever, wheel, pulley, plane, screw, wedge
11
What is the formula for density?
Density = Mass - Volume
Density = Mass / Volume
Density = Mass + Volume
Density = Mass x Volume
12
What is the term for the force that is used to move mass over a distance?
Power
Work
Energy
Force
13
What is the layer of the Earth's atmosphere that is primarily responsible for containing weather phenomena?
mesosphere
stratosphere
troposphere
thermosphere
14
The crust is the layer of Earth responsible for magnetic fields.
False
True
15
The Earth's inner core is the least dense layer of the planet.
False
True
16
The independent variable is always controlled in an experiment.
False
True
17
Why is lab safety important?
To save money
To speed up experiments
To prevent accidents
To impress others
18
Complete the sentence: Photosynthesis occurs in...
Flowers
Stems
Leaves
Roots
19
Which hemisphere experiences summer when tilted towards the sun?
Eastern hemisphere
Southern hemisphere
Western hemisphere
Northern hemisphere
20
What is the order of the planets in the solar system?
Venus, Mercury, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Earth, Mars, Venus, Mercury, Saturn, Jupiter, Uranus, Neptune
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Mars, Venus, Earth, Mercury, Saturn, Jupiter, Uranus, Neptune
21
What is the term for the layer of the Earth's atmosphere that is primarily responsible for containing weather phenomena?
Troposphere
Mesosphere
Exosphere
Stratosphere
22
The solar system consists of 10 planets.
False
True
23
What is the force equal to mass times acceleration known as?
Boyle's law
Einstein's theory
Archimedes' principle
Newtons 2nd law
24
What is the term for the process where gas turns into a liquid?
sublimation
condensation
evaporation
solidification
25
Which Earth layer is liquid?
Outer core
Inner core
Crust
Mantle
26
Which biome is known for having the greatest diversity of species?
desert
tundra
tropical rainforest
grassland
27
What is the function of the nervous system?
Respiration
Digestion
Send and receive messages in the body
Circulation
28
What is the study of space called?
Geology
Chemistry
Astronomy
Biology
29
What tool measures temperature?
Hygrometer
Barometer
Thermometer
Anemometer
30
What are the layers of the atmosphere?
Troposphere Stratosphere Mesosphere Thermosphere Exosphere
Stratosphere Mesosphere Troposphere Exosphere
Mesosphere Exosphere Thermosphere Stratosphere Troposphere
Exosphere Thermosphere Mesosphere Stratosphere Troposphere
31
What is the layer of the atmosphere that contains weather phenomena?
mesosphere
thermosphere
stratosphere
troposphere
32
Which body part in animals is responsible for removing nitrogen from the body?
liver
lung
kidney
heart
33
Which planet in our solar system is most similar to Earth?
Venus
Mars
Jupiter
Saturn
34
What type of rock is a result of extreme temperature and pressure changing its structure?
Mineral rock
Sedimentary rock
Igneous rock
Metamorphic rock
35
What is the first step of the scientific method?
Conduct an experiment
Ask a question
Analyze data
Form a hypothesis
36
What is the formula for density?
Mass - Volume
Density = Mass / Volume
Mass x Volume
Volume / Mass
37
What type of eclipse occurs when the moon covers the sun, blocking sunlight?
Total Eclipse
Partial Eclipse
Lunar Eclipse
Solar Eclipse
38
Which planet is known as the 'Red Planet'?
Earth
Mars
Mercury
Venus
39
What is the term for the quantity of 3D space contributed by liquid, solid, or gas?
weight
mass
density
volume
40
What is the function of the nervous system?
Send and receive messages in the body
Digestion
Circulation
Respiration
41
What is the term for the force that is used to move mass over a distance?
energy
work
power
strength
42
What is the formula for density?
Density = Volume / Mass
Density = Mass / Volume
Density = Volume x Mass
Density = Mass x Volume
43
What is the process plants use to make their own food?
Transpiration
Respiration
Pollination
Photosynthesis
44
What law explains motion persistence?
Law of Gravity
Newton's Third Law
Newton's Second Law
Newton's First Law
45
What is the basic structure of every living organism?
organism
atom
cell
molecule
46
Which variable is changed during an experiment?
Control variable
Constant variable
Independent variable
Dependent variable
47
What process results in the creation of new sedimentary rocks?
Deposition
Melting
Erosion
Weathering
48
What is the purpose of a hypothesis?
To collect data
To prove a theory
To summarize results
To provide a testable explanation for an observation
49
Which planet has an abnormal tilt to its rotation?
Uranus
Saturn
Jupiter
Mars
50
True or false: Outer core is solid
True
False
51
Which layer of Earth generates magnetic field?
Mantle
Inner core
Crust
Outer core
52
What are the stages of the water/hydrologic cycle?
EVAPORATION PRECIPITATION CONDENSATION TRANSPIRATION
TRANSPIRATION PRECIPITATION EVAPORATION CONDENSATION
CONDENSATION TRANSPIRATION EVAPORATION PRECIPITATION
PRECIPITATION EVAPORATION CONDENSATION TRANSPIRATION
53
What causes moon phases?
Moon's position
Earth's rotation
Sun's position
Earth's shadow
54
Which biome is known for having the greatest diversity of species?
Tundra
Tropical rainforest
Grassland
Desert
55
What is the main source of energy for Earth?
The Sun
Wind
Coal
Water
56
What is the term for the number of individuals in a specific unit area?
Mass
Population density
Density
Volume
57
What is the role of evidence in scientific investigations?
To confuse researchers
To hide the truth
To support or refute a hypothesis
To complicate experiments
58
What is the speed formula?
Distance x Time
Distance / Speed
Speed = Distance / Time
Time / Distance
59
What are the three main types of plate boundaries?
Divergent, Parallel, Transform
Convergent, Divergent, Transform
Convergent, Divergent, Parallel
Convergent, Parallel, Transform
60
What is the role of control variable?
To increase speed
To change results
To decrease errors
To remain constant
61
What causes the day and night cycle on Earth?
tilt of Earth's axis
rotation of Earth on axis
orbiting the Moon
movement of the Sun
62
Which system includes heart and blood vessels?
Respiratory system
Circulatory system
Digestive system
Nervous system
63
What type of eclipse occurs when the moon moves into the shadow of Earth?
Lunar eclipse
Solar eclipse
Galaxy eclipse
Solar system eclipse
64
What is the difference between weather and climate?
Weather is long-term atmospheric conditions; climate is short-term
Weather is predictable; climate is unpredictable
Weather is only about temperature; climate is about precipitation
Weather is short-term atmospheric conditions; climate is long-term
65
What are the stages of the rock cycle (lithosphere)?
Metamorphic Sedimentary Igneous
Metamorphic Igneous Sedimentary
Sedimentary Igneous Metamorphic
Igneous Metamorphic Sedimentary
66
What is the body system responsible for waste removal?
digestive
excretory
circulatory
respiratory
67
What is the best graph to show parts of a whole?
Bar graph
Line graph
Pie chart
Scatter plot
68
Which organelle is involved in energy production?
Chloroplast
Ribosome
Mitochondria
Nucleus
69
What determines the cycle of day and night on Earth?
Earth's rotation around the sun
Lunar eclipse
Solar eclipse
Moon phases
70
What is the study of minerals and rocks called?
Astronomy
Meteorology
Geology
Botany
71
Which body system is responsible for hormone production?
endocrine
reproductive
circulatory
nervous
72
What is a positive impact of technology in science?
More errors
Increased costs
Faster data collection
Slower analysis
73
What is climate?
The seasonal variations in temperature and precipitation
The daily atmospheric conditions in a region
The geological history of a region
The weather patterns of a specific area over a long period of time
74
Which planet in our solar system has an abnormal tilt to its rotation?
Venus
Mars
Earth
Uranus
75
What is the unit used to measure temperature?
Kilograms
Liters
Meters
Degrees Celsius or Fahrenheit
76
What are currents?
Steady, predictable movement of water/air within a larger body of water/air
Unpredictable movements of water/air
Static water/air in a confined space
Sudden changes in water/air pressure

Scientific Knowledge Praxis 5005 Challenge Flashcards | StudBud