Answer:
I would say either D or E. Lighting a match changes the chemicals into a hotter substance, and letting fruit rot changes the elements in the fruit.
Explanation:
DONT ANSWER I FOUND IT ALREADY
Which best describes the purpose of the ice in this experiment?
A. The ice melts into the flask causing a cloud to form.
B. The ice cools the air around the flask, causing a cloud to form in the flask.
C. The ice is used to hold the water in the flask so that it can't escape.
D. The ice causes the water vapor in the air above the warm water to change, forming a cloud.
Answer:
what is the experiment try d
Answer:
PLEASE HELP MEEEE (SAME QUES)
Explanation:
What kind of mixture is described below? Explain your reasoning.
"The pieces remain separate and do not combine."
Try for two complete sentences.
a homogenous
b heterogenous
Bart believes that mice exposed to radio waves will become extra strong (maybe he's been reading too much Radioactive Man). He decides to perform this experiment by placing 10 mice near a radio for 5 hours. He compared these 10 mice to another 10 mice that had not been exposed. His test consisted of a heavy block of wood that blocked the mouse food. he found that 8 out of 10 of the radio-waved mice were able to push the block away. 7 out of 10 of the other mice were able to do the same.
In Bart's Experiment, identify the Independent Variable.
Group of answer choices
Amount of Time for Test
Exposed Time to Radio Waves
Number of Mice in each Group
Number of Mice that pushed block away
Size of Blocks
In Bart's Experiment, identify the Dependent Variable.
Group of answer choices
Amount of Time for Test
Exposed Time to Radio Waves
Number of Mice in each Group
Number of Mice that pushed block away
Size of Blocks
In Bart's Experiment, identify the three Controlled Variables. (must choose all three!)
Group of answer choices
Amount of Time for Test
Exposed Time to Radio Waves
Number of Mice in each Group
Number of Mice that pushed block away
Size of Blocks
can i have brain?.........................................................................
Think about a pond ecosystem and come up with 3 examples of biotic and abiotic relationships.
Answer: 3 examples of relationships between abiotic and biotic factors in the ecosystem are plants use sunlight, water, and carbon dioxide to make food. Another example is the interaction between turtles and soil, some turtles are known to bury themselves in the soil. Elephants and water interact as well in order to stay hydrated elephants drink water.
Explanation:
What
are some
ways we
can see air?
Answer:
smoke, fog
Explanation:
i will give brainliest to the one that solves this i need it to be done fast!!!!
Answer:
pls mark brainest you can find the worksheet name at the bottom copy that and paste it in new tab and answers r there
Explanation:
The periodic table organizes all the known elements in a way that gives the reader many clues as to the element's properties and make-up. What can you infer about copper (Cu, atomic number 29) and silver (Ag, atomic number 47) based on their positions relative to EACH OTHER on the periodic table?
Please hurry!
Answer:
The periodic table of the elements places the elements according to their atomic number, electronic configuration and chemical properties. Thus, depending on the location of an element in the periodic table, we can guess its electronic configuration and more importantly, its properties.
Explanation:
Write 3 Examples of Chemical weathering and Physical weathering
Answer:
Physical Weathering-
Swiftly moving water. Rapidly moving water can lift, for short periods of time, rocks from the stream bottom. Ice wedging. Ice wedging causes many rocks to break. Plant roots. Plant roots can grow in cracks.
Chemical Weathering-
The reaction of carbon dioxide gas in rainwater can produce carbonic acid that dissolves some minerals, especially limestone. Acid rain caused by pollution such as factory and car exhaust is another agent of chemical weathering. Chemical weathering also occurs when iron in rock oxidizes or rusts.
Hope this helped!
-Toshino
Weathering can be defined as breaking down rocks into smaller rocks by the effects of agents of erosion, chemical agents, and physical agents.
Examples of chemical weathering: Carbonation, Hydrolysis, and Oxidation
Examples of physical weathering: Expansion due to the effects of heat, Abrasion, Freezing
Chemical weathering can be defined as the breaking down of rocks due to chemical reactions. This affects the chemical composition of the rocks.
Physical weathering can be defined as the effects of physical agents on rocks such as wind, temperature e.t.c that result in the breaking down of rocks. In Physical weathering, the chemical components of the rocks do not change.
Examples of chemical weathering are:
Oxidation: The breaking down of rocks due to the effects of oxidationHydrolysis: The dissolving of the mineral components of a rock due to its interaction with water.Carbonation: This is the reaction between the rock and acidic rain which contains carbonic acid.Examples of physical weathering are:
Expansion due to the effects of heatAbrasion: When rocks come in contact with other rocks, this can lead to physical weathering.Freezing thawing: When water gets frozen in rocks, when the ice starts to melt(thaw) the results in the breaking down of rocks as well.To learn more, visit the link below:
https://brainly.com/question/21251700
Which of the following are examples of chemical energy being released or stored?
A boy eating an orange to survive
A car burning gasoline to move
The sun heating a rock
I only
I and II only
I and III only
I, II, and III
Answer: I and II
Explanation:
Explain how errors in measurements can affect the safety of products. (It an essay)
Answer:
An error or fault can be described as the disparity between the calculated worth and the exact worth. For instance, if the two machinists use a similar instrument for discovering the errors in measurement, it is not required that they may acquire the related outcomes. But, there will be a slight variation between both the measurements which is known as an error. In sequence, to know the idea of errors in measurement, one has to recognize the two conditions that describe the error namely measured value as well as true value. The “true value” is unfeasible to find out the accuracy of measurement by experimental means that can be defined as the standard value of a countless number of calculated values. This value can be described as the expected value of true value which can be established by taking numerous calculated values throughout experimentation.
Explanation:
maybe this will help
Answer:
An error or fault can be described as the disparity between the calculated worth and the exact worth. For instance, if the two machinists use a similar instrument for discovering the errors in measurement, it is not required that they may acquire the related outcomes. But, there will be a slight variation between both the measurements which is known as an error. In sequence, to know the idea of errors in measurement, one has to recognize the two conditions that describe the error namely measured value as well as true value. The “true value” is unfeasible to find out the accuracy of measurement by experimental means that can be defined as the standard value of a countless number of calculated values. This value can be described as the expected value of true value which can be established by taking numerous calculated values throughout experimentation.
Explanation:
An error or fault can be described as the disparity between the calculated worth and the exact worth. For instance, if the two machinists use a similar instrument for discovering the errors in measurement, it is not required that they may acquire the related outcomes. But, there will be a slight variation between both the measurements which is known as an error. In sequence, to know the idea of errors in measurement, one has to recognize the two conditions that describe the error namely measured value as well as true value. The “true value” is unfeasible to find out the accuracy of measurement by experimental means that can be defined as the standard value of a countless number of calculated values. This value can be described as the expected value of true value which can be established by taking numerous calculated values throughout experimentation.
maybe this will help
How should each form of energy be identified?10 points help ASAP
O Energy A: gravitational energy
Energy B: chemical energy
O Energy A: nuclear energy
Energy B: electrical energy
O Energy A: electromagnetic energy
Energy B: sound energy
O Energy A: mechanical energy
Energy B: thermal energy
The skateboarder moves himself forward by pushing back with his foot on the ground. Which of Newton’s laws says for every action, there is an equal and opposite reaction.
Law of inertia
Law of acceleration
Law of action-reaction
Answer:
Law of action-reaction
Explanation:
Every action results in an equal and opposite reaction
What occurs along a divergent plate boundary?
grade 6 science class
Answer:
A earthquake
Explanation:
Which of the following situations provides evidence that a chemical change has taken place?
A.water, when boiled, evaporates, and turns into vapor
B.Sugar, when added to iced tea , dissolves into the liquid
C.Two liquids are mixed, in a solid substance formed
D. A piece of paper is cut into many small pieces
Answer:
A
Explanation:
be it’s a Chemical change not a physical change
Two liquids when combined to form a solid substance is an example of chemical change as rearrangement of atoms takes place in the process.
What is a chemical change?Chemical changes are defined as changes which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical change.
There are several characteristics of chemical changes like change in color, change in state , change in odor and change in composition . During chemical change there is also formation of precipitate an insoluble mass of substance or even evolution of gases.
There are three types of chemical changes:
1) inorganic changes
2)organic changes
3) biochemical changes
During chemical changes atoms are rearranged and changes are accompanied by an energy change as new substances are formed.
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Iron oxide F E 2 O 3 is formed when iron F E and oxygen (O2) react in the presence of water (H2O) in the air. Why is the formation of rust, iron oxide, considered a chemical change? I WILL MAKE YOU BRAINLIEST
A. Rust is a new substance with different properties than oxygen or iron.
B. None of the above.
C. Rust is a mixture of iron and oxygen.
D. Rust has the same chemical formula as oxygen and iron.
Answer:
A
Explanation:
bro
This circular island or group of islands is formed around the rim of a submerged volcano.
A.
abyssal plain
B.
atoll
C.
guyot
D.
reef
Answer:
B:atoll
Explanation:
-3-
I'LL GIVE BRAINLIEST TO THE BEST ANSWER!!!!
Scenario:
Espresso Coffee Houses is designing a coffee mug that keeps liquids hot. The research department tested several different materials for their ability to keep a normal-sized cup of coffee hot the longest amount of time. The testing room temperature is approximately 25 degrees Celsius.
Prompt:
Write a scientific explanation to justify the selection of material, A, B, or C, used to create the cup that would keep the coffee the hottest for the longest period of time. (THIS IS YOUR CLAIM.)
What is your evidence (for the claim)?
What is your reasoning?
Answer:
So whats the question
Explanation:
This body of water can be described as: The part of the mouth of a stream in which the water level is influenced by the lake or sea into which the stream flows. This is where fresh river water mixes with ocean water.
A. estuary
B. mangrove swamp
C. salt marsh
D. watershed
Answer:
im thinking A
Explanation:
What happens at a convergent boundary?
Collisions occur as lithospheric plates move toward each other.
Magnetism occurs as lithospheric plates are attracted toward each other by gravity.
Earthquakes occur as lithospheric plates move away from each other.
Mountains form as lithospheric plates move side by side past each other
Answer:
c im pretty sure
Explanation:
A model of a hydrogen atom is represented below. Labels A, B, and C represent different subatomic particles. I WILL MAKE U BrAINLIEST
Structures A and B are located in the?
A. nucleus
B. electron cloud
C. valance shell
D. energy level
Answer:
The answer i A.
Explanation:
No further Explanation.
even though it is invisible, the air is composed of matter. In your own words, explain why this is true
in my own words i would say air isinvisable because if it was a seeable matter it would need to consest of alot more atom so we would not be able to breath
Neap tides can be defined as: Tides with greater than normal range of highs and lows.
True
or
False
Answer:
true
Explanation:
The process of respiration is like a(n) __________.
Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selected
A. Elemental reaction
B. Synthesis reaction
C. Combustion reaction
D. Decomposition reaction
Answer:
c.combustion reaction
1: if we have any substance, can be concluded that a chemical if has happed -
A . there is a color change
B. the state of matter change
C.there is a decrease in mass.
D. the matter is stirred thoroughly
Answer:
option A. There is a color change
If we have any substance, can be concluded that a chemical than there is a color change. Thus, option A is correct.
What is molecule?
A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion.In quantum physics, organic chemistry, and biochemistry, the distinction from ions is dropped and molecule is often used when referring to polyatomic ions.
The simplest forces between atoms are those which arise as a result of electron transfer. A simple example is that of say sodium fluoride. The sodium atom has a nuclear charge of +11, with 2 electrons in the K shell, 8 in the L shell and 1 in the M shell. The fluorine atom has a nuclear charge of 9 with 2 electrons in the K shell and 7 in the L shell. Two or more atoms held together with bonds make up a molecule.
Therefore, If we have any substance, can be concluded that a chemical than there is a color change. Thus, option A is correct.
Learn more about molecule here:
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Explain how scientists use seismic data to obtain information about the Earth and earthquakes. In your post, include the instrument(s) used, the data produced by the instruments, and how the data is examined.
pls answer for bonus
Earth science
Guys this is science. 4.18 Module Exam.
I HATE tests! I know it's to test how smart I am but I'm being sarcastic, I AM SMART AND I KNOW IT LOL but I STILL have to take the test! And I don't understand some questions on tests. I'm like yikes sometimes when I get a 60% but its mostly A's and B's. If you support and comfort me on the exact rate, I'll mark you brainliest but I'll wait till I get 2 or more answers and see which one is better! Thanks!
Answer:u got this
u got this
hi
Answer: I understand you. I also hate tests. It is ok if you don't understand some questions. That happens to me also. I am also smart but I hate that we still have to take tests! It is so annoying!!!!!! I hope the test goes great though!Have a good day! :)
Explanation:
Which sources of energy can be used to turn turbines to produce electrical energy?
Lightning and fuel
Tides and clouds
Water and the sun
Wind and water
Answer:
Wind and Water
Explanation:
wind turbines and wave power
Answer:
Wind and water
please help! 40 points, a thanks, and brainliest if answered correctly!
"Describe global influences on local weather."
please include 2-3 complete sentences with proper reasoning
(sorry if i put the subject wrong by the way)
Answer:
The impact on local weather on people is they use scary real things to trick you into thinking in is truthful
Answer:
global climate change is a long tern changes in weather patterns that have pervioulsy defined the climate of different areas of the planet. Effects of global climate change such as rising ocean temperatures and the melting of polar ice caps is one
In which part of the intertidal zone would one find anemones and sponges?
A. high tide zone
B.
low tide zone
C.
mid tide zone
D.
spray zone
Answer:
Middle Tide Zone: Also called the Lower Mid-littoral Zone. This turbulent area is covered and uncovered twice a day with salt water from the tides. Organisms in this area include anemones, barnacles, chitons, crabs, green algae, isopods, limpets, mussels, sea lettuce, sea palms, sea stars, snails, sponges, and whelks.
Explanation:
so the answer is C
Answer C
Explanation:
An element's atomic number refers to — (
I WILL MAKE U BRAINLIEST)
A. the order in which the element was discovered
B. the number of protons in its nucleus
C.the number of atoms it is composed of
D.the number of other elements it will combine with
Answer:THE ANSWER IS B
Explanation:
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present
