Answers
Related Questions
Sometimes a cloud may form at or near the ground when the ground cools at night. This cloud is known as...
Question 1 options:
Fog
nimbostratus
Cirrus
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Answer:
im belive the answers fog
fog shsndndndndndndbdbdbdbdbdbdbdhdhxbf
Suppose you are shooting a basketball toward a hoop. As the ball rises in the air, its ---------------- energy increases and its ---------------------------- decreases.
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Answer:
Suppose you are shooting a basketball toward a hoop. As the ball rises in the air, its -------Potential --------- energy increases and its -----------kinetic----------------- decreases.
Explanation:
Kinetic energy is the energy of movement or change. Potential energy is the energy a system has as a result of being able to undergo some change. ... As an object falls its potential energy decreases, while its kinetic energy increases. The decrease in potential energy is exactly equal to the increase in kinetic energy.
potential//energy by position
Explain 3 examples of kinetic and Potential energy
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Answer:
1. Planets; movement of planets around the sun and other stars in the galaxy is kinetic energy
2. Rubber Bands; can be classified as both potential and kinetic energy, depending on the state of the band (when stretch=potential energy; when released=kinetic energy)
3. Rivers; strictly kinetic energy. the water is constantly moving creating kinetic energy.
Explanation:
How can you tell if an object is accelerating?
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Answer:
If an object is changing its velocity -whether by a constant amount or a varying amount
Explanation:
then it is an accelerating object. And an object with a constant velocity is not accelerating.
Answer:
the object can be accerleratting because the object supports it then later goes up for example a ball. if it supports that means its positive. if it has the weight like i mean by initially at rest. this means its negative. Hope this helps!
Explanation:
Pls could help me complete the "standart form" part :(
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Answer:
I don’t know bro
Explanation: WHY DID U REMOVE THIS
Imagine holding a tennis ball in front of a heat lamp for five minutes. What do you predict will happen to the temperature along the “equator” of the ball compared with the top and bottom?
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Answer: It Would Be The Warmest As The Light is Falling Directly Upon It. The Top And Bottom Would Be Much Cooler Than The 'Equator'.
Explanation:
what is the goal of science??
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The main goal of science has been building knowledge and understanding, regardless of its potential applications.
What is Science ?
The intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
For example, investigating the chemical reactions that an organic compound undergoes in order to learn about its structure.
Therefore, The main goal of science has been building knowledge and understanding, regardless of its potential applications.
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What is an ellipse please help)
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In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. As such, it generalizes a circle, which is the special type of ellipse in which the two focal points are the same.
Maybe they might use that math thing for Science.
Do you think rayon when burnt will stick to the body like other synthetic fibers?
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Melvin is exploring the different kinds of changes that can happen to substances. After reading about the kinds of changes that occur, he saw some rust on a pipe that was going into his house. What kind of change is the formation of rust?
A.reactant
B.physical
C.chemical
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Answer:
It is B. physical.
Explanation:
The rust on the pipe is something causes by something, which mean it is physical. Hope this helped you out!!
Have a wonderful day! :D
PLEASE HELP ME!!
the pictures are down there
Answers
Answer:
B and C
Explanation:
They're the two in between the glass and the fingernail.
Which of the following statements fully describes what an object may do when it experiences unbalanced forces? Select the two best answers.
A. It may change directions.
B. It will move at a constant speed.
C. It may slow down.
D. It may slow down or speed up.
E. It will stay stationary.
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Answer:b
Explanation:
Which element is represented by this model?
Be; Beryllium
N; Nitrogen
C; Carbon
F: Fluorine
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Answer: C; Carbon
Explanation: The model is showing it has 6 electrons, 6 protons, and 6 neutrons. Therefore the element, carbon.
Answer:
Carbon
Ok it needs more characters
Bangkok, Thailand, and Lima, Peru, are located at opposite positions of Earth's surface. When a rock is dropped in both cities, observers would describe the motion of either rock with a word that means "down."
A) They are moving toward each other.
B) They are moving down, which is the same direction in both cities.
C) They are moving away from each other.
B) One rock is moving due east and the other is moving due west.
PLEASE HURRY!
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Answer:
Its A I think
Explanation:
In July, the average temperature in one US city was 29°C. By December, the average temperature had fallen by 29°C. Explain why the average temperature in December was 0°C.
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What is common among elements in the same group?
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Answer:elements are arranged in increasing atomic number from left to right
Explanation:
Answer:elements are arranged in increasing
atomic number from left to right
Which of the following are made mostly or entirely of proteins? (Select all that apply.)
fats
body tissues
carbohydrates
hormones
Answers
I think the answer is body tissue
Answer:
Body tissues/hormones
Explanation:
Excluding water and fat, the human body is made up almost entirely of protein. Protein is the main component of muscles, bones, organs, skin, and nails. Excluding water, muscles are composed of about 80% protein, making this nutrient especially important for athletes.
1) Protein hormones (or polypeptide hormones) are made of chains of amino acids. An example is ADH (antidiuretic hormone) which decreases blood pressure. 2) Steroid hormones are derived from lipids.
What do we call the principal SI units that are used to derive all other SI units? derived units derived units base units base units lowest units lowest units fundamental units
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Answer:
the answer is derived physical measurements
What do you think caused the original properties of the substances to change in order to form “Elephant Toothpaste"?
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Not every chemical reaction occurs in the same way. There are different types of chemical reactions, including synthesis reactions, decomposition reactions, and displacement reactions. In this experiment, a decomposition reaction takes place. During a decomposition reaction, a compound breaks apart into two or more products. Most decomposition reactions need an outside source of energy in order to take place.
Hydrogen peroxide is not a very stable compound, so it slowly decomposes into water and oxygen gas under normal conditions. In this reaction, yeast is used as a catalyst. A catalyst is a substance that helps to change the rate of a reaction. During the reaction, the catalyst is not consumed. As a result, the yeast makes the reaction occur much faster; it causes the hydrogen peroxide to break down and release the oxygen gas much faster.
The soap is used to help us “see” the reaction. Bubbles of oxygen become trapped in the soap, creating foam. The reaction occurs so quickly, releasing so much gas and creating so much foam, that the foam begins to flow out of the bottle. The result of this reaction looks like toothpaste being squeezed out of a tube.
In addition, the bottle will feel warm to the touch because the reaction is exothermic. An exothermic reaction or process is one that gives off energy. In contrast, an endothermic reaction or process is one that requires or absorbs energy.
HYPOTHESIS
uAdding yeast to hydrogen peroxide
will cause the hydrogen peroxide to
decompose quickly into water and oxygen gas, creating foam as the gas becomes trapped in liquid dish soap and pushes upward out of the bottle.
FORMULAS & EQUATIONS
Hydrogen peroxide is a relatively clear liquid substance. It is soluble in water and is often sold as a mixture of H2O2 in water. The hydrogen peroxide used in this experiment is actually a 6% solution of H2O2 in water.
The chemical formula for hydrogen peroxide is H2O2.
Hydrogen peroxide naturally decomposes into water and oxygen gas. The reaction is shown by the following equation:
2H2O2 (aq)g2H2O (l) + O2 (g)
The rate of the reaction can be increased by introducing a catalyst. In this experiment, the catalyst is yeast. Yeast is a microorganism that is part of the fungi family. Therefore, in the equation below, the catalyst is indicated above the arrow.
yeast
2H2O2 (aq) g 2H2O (l) + O2 (g)
The hydrogen peroxide used in the experiment is
actually a mixture of water and hydrogen peroxide.
CONNECT TO THE YOU BE THE CHEMIST CHALLENGE
For additional background information, please review CEF’s Challenge study materials online at http://www.chemed.org/ybtc/challenge/study.aspx.
• Additional information on elements, compounds, and physical and chemical changes can be found in the Classification of Matter section of CEF’s Passport to Science Exploration: The Core of Chemistry.
• Additional information on chemical reactions can be found in the Chemical Reactions section of CEF’s Passport to Science Exploration: Chemistry
Hello <3 I just need some help with periodic table of elements.
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What is the element's name and symbol? Sodium
Is it a metal, nonmetal, or metalloid?
Which family does it belong to?
How many protons, neutrons, and electrons does its neutral atom have?
Please help with the non-answered ones, following sodium please ^^
Answers
Answer:
11
Explanation:
An atomic number of 11 means this atom will have 11 protons. A mass number of 23 means 23 - 11 this atom will have 12 neutrons. Since this atom is neutral the positive protons must be equal to the negative electrons. This atom will have 11 electrons
Answer:
Sodium: Na
It is a metal
It's family is Alkali metals
Its atomic number is 11
It has 12 neutrons, 11 protons, 11 electrons
i need help on this question ASAP
Answers
Answer: well because
they have a different mass but the triangles have all the same acceleration the house is going to have more force added to it.
Explanation:
Explanation:
Can anyone help me with this?
Extension Activity: The Coca-Cola Company has been getting angry letters from drinkers of Diet Coke. Because their soda weighs less they feel like they’re getting ripped off. If they pay the same amount for a diet coke it should have the same amount of soda in it. It is your job as manager of customer relations to answer these angry letters.
For homework, write a sample letter to be approved by the company president that contains the following: A scientific explanation of why the Diet coke weighs less and a sentence or two addressing the customer’s concerns that they are getting less soda than in a regular can or bottle. Remember – your next promotion depends on how well you solve problems for the company!
Your sample letter should contain at least five good sentences: at least three for the scientific explanation plus two more addressing the customer’s concerns. Explain the formula for density and how it is measured.
Some numbers that might help you are:
Coke
D1.08 383.7G 355mL
diet coke .096 342G 355mL
Sugar 25.9g
Aspartame 5.1g
water 1
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Answer:
in the letter i would put in it that
Did you get our brand or did you get the store brand because the store brand is different from our brand so try our brand.
Explanation:
which is a mixture?
A. Water reacting with oxygen
B. Salt dissolved in water
C. Sodium and chlorine in a molecule
D. A solid aluminum pan
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Answer:
B. salt dissolved in water
Explanation:
a mixture is multiple substances mixed together
please helpp, its just true or false
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Answer:true
Explanation:
Choose the five physical tests for identifying rocks:
metamorphic
sedimentary
color
streak
hardness
luster
igneous
cleavage
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1. Hardness
2. Luster
3. Color
4. Color
5. Streak
Why are rock samples from the Great Plains and from the Rocky Mountains composed of such similar minerals, when they look so different and come from different areas?
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Answer:
The rock of the Great Plains is called sedimentary rock and the rock of the Rocky Mountains is called a igneous rock. A Sedimentary rock: is a type of rock that is formed by the buildup of mineral/organic particles at Earth's surface. And an Igneous rock: a type of rock that forms when magma (molten rock) cools/crystallizes. Since they formed in different ways they must not have formed together. Rocks can form in different ways, shapes sizes etc.. This causes them to be different types.
Explanation:
1) Sedimentary rock: type of rock that is formed by the accumulation or buildup of mineral or organic particles at Earth's surface.
2) Igneous rock: type of rock that forms when magma (molten rock) cools and crystallizes.
The North American Plate, on which both the Great Plains and the Rocky Mountains are situated, is a common tectonic plate.
What is rock?Rock is defined as a grouping of solid mineral grains that have grown or been cemented together. There are big rocks and little rocks. Rocks are created in the earth's crust. According to geology, rocks are produced when a combination of one or more minerals occurs. The sediments will eventually accumulate to such a high density that they will effectively turn into rock.
Although the Rocky Mountains' rock is volcanic and the Great Plains' rock is sedimentary, the two rock formations are stated to be different even though they contain comparable concentrations of specific minerals. Despite this, the two rocks have different formation processes.
Thus, the North American Plate, on which both the Great Plains and the Rocky Mountains are situated, is a common tectonic plate.
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no link need right answer
5 points
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What is most likely to occur during a chemical reaction?
a Molecules of the original substance are lost. b New atoms are created. c The original substance maintains its properties. d Mass is conserved.
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During a chemical reaction, the most likely occurring is mass conservation. According to law of conservation of mass, total mass in a reaction is conserved.
What is law of conservation of mass?According to the law of conservation of mass, the total mass in a chemical reaction or in a physical change is conserved. Simply, mass is neither created nor destroyed.
When a chemical reaction takes place, no new atoms are created and the properties of the reactant species cannot be maintained after reaction.
Molecules of any reactant is not lost during a reaction. The total mass in the reactant side of a balanced reaction will be equal to the total mass in product side.
Therefore, the mass conservation is likely to occur during a chemical reaction. Thus, option d is correct.
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How is a lunar eclipse similar to a solar eclipse? How are they different?
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Answer:
they moon and sun are a factor in both of them
Explanation:
Answer:
From our perspective on Earth, two types of eclipses occur: lunar, the blocking of the Moon by Earth's shadow, and solar, the obstruction of the Sun by the Moon. When the Moon passes between Sun and Earth, the lunar shadow is seen as a solar eclipse on Earth. Also they are similar by An eclipse occurs when one celestial object obscures another celestial object. In the case of a solar eclipse, the moon moves between the Earth and the sun, thus obscuring the sun. A lunar eclipse occurs when the Earth moves directly between the sun and the moon. Either type of eclipse can be total or partial.
Explanation:
Hey guys, so earlier today i ask ya'll how to get my crush to notice me and mostly everyone said to like be her friend and like ask her to hang out and to shoot my shot. So now my question is "should i still tell her i like her if she's my best friend?"
Answers
A few years ago I had a crush on this person who I now think liked me back. Me and this person were friends but never told each other. We are still kind of friends but no where near as close. Maybe if one of would have said something back then we would not be where we are today. So if you don’t tell them now you might just end up drifting apart