Chemistry Middle School

1. First Experiment: Thomson directed the beam at an electrometer and tried to separate the

evidence of charge from the path of the beam. What connection did Thomson find between

charge and the cathode rays? Was the charge positive or negative?

Answers

Answer 1
emerged from the thirteen British colonies established along the East Coast. Disputes over taxation and political representation with Great Britain led to the American Revolutionary War (1775–1783), which established independence. In the late 18th century, the U.S. began vigorously expanding across North America, gradually acquiring new territories, oftentimes displacing

Related Questions

Which of the following is an example of a producer?
a
Tree

b
Hawk

c
Rabbit

d
Mushroom

Answers

the answer is tree even tho it was already answered

A book on a table presses downward with a force equal to the upward force exerted by the table. This is an example of Newton's______ law of motion.
A.SECOND
B.FIRST
C.THIRD

Answers

Answer:

a

Explanation:

A
Is the correct answer

Which of the following organisms are herbivores?

a
Secondary consumers

b
Decomposers

c
Primary consumers

d
Producers

Answers

A: secondary consumers.
The right answer is C. Primary consumers

please write a sentence

Answers

Answer:

well the cold thing would melt unless u but in like a cooler or one of those lunch boxes that is like a cooler but u put ice packs in them to keep the thing cold

Explanation:

Answer:

it will melt

If my lunch was cold i would put it in a lunchbox that is meant for cool things and an ice pack

Explanation:

Ms. Moulden’s science class is learning to identify metals by their density. She gave the students a table, shown below, to help identify their samples. One student’s sample has a volume of 12. 82 cm3 and a mass of 114.61 g. Calculate the density of the sample.


Using the table, what is the identity of the student’s sample?

Answers

I believe is 8.9 if rounded to the nearest hundredth but if not I’ll give it the whole answer and round to whatever is asking you the whole answer is 8.9399375975
I think the answer will be 8.9.

the soda was cold before it was placed in the koozie. the koozie...

a.) keeps the soda cold by removing heat energy
b.) makes the soda warmer by adding heat energy
c.) keeps the soda cold by slowing the transfer of heat energy
d.) makes the soda warmer by increasing the transfer for heat energy.

Answers

C.. as it protects the can an allows it to stay cold no matter what’s going on around it.

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Answers

Answer:

YIkES One thing u can do i ask your teacher about it or say that u need help with it the cant make fun of u because u need help with your work.

We can’t really answer the question because it’s a drawing however, I can only say the coffee she left in the mug was a liquid that became into a solid depending on how long she left the mug in for. After she took it out and it said it was frozen, if she microwaved it for 1-2 minutes the iced coffee will melt due to the heated waves coming out from the microwave, I don’t know if this will help you or not but mainly ask your teacher

Which best describes the role of a primary consumer in a food web? (3 points)
a
Carnivore that feeds on producers

b
Herbivore that feeds on producers

c
Herbivore that feeds on primary consumers

d
A carnivore that feeds on primary consumers

Answers

Answer:

A; or carnivores that feed on producers

Explanation:

The right answer is A

Which best describes the role of a secondary consumer in a food web? (3 points)

a
Carnivore that feeds on producers

b
Herbivore that feeds on producers

c
Herbivore that feeds on primary consumers

d
A carnivore that feeds on primary consumers

Answers

Answer: c

Herbivore that feeds on primary consumers

Explanation:

The answer is C, herbivores that feeds of primary consumers
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In "The Fish I Didn't Catch," why does the uncle tell the boy not to boast about fish until theyre on the ground?Because the boy was bragging and his fish got awayBecause he hates when people bragBecause he wants the boy to learn to not brag about things before they happen (or ever!). Write and equation for the area of the circle given the following conditions: d = 15 A bird starts at 20m and changes to 16m? The bird's final elevation is An author's purpose for writing a scientific or technical text is to entertain.True or false What so the mean median and range for 39,82,74,96,64,52,74 HELP NOW PLS The ratio of pineapple juice to cranberry juice in a punchrecipe is 14:12. Which ratio is equivalent to 14:12? which sentence best expresses the main idea of the passage the american scholar Ral y yo ________ hablar espaol. sabemos saben conocemos conoces Which type of war is one in which nations use virtually every resource to keep up the fight and involve virtually everycitizen in the effort?O totalO modernO alliedO propaganda A roller coaster typically takes 6.5 s to come to a complete stop from traveling at 30 m/s. If it has a force of 540 N, what is the mass of the coaster Which element could provide one atom to make an ionic bond with oxygen? Karen bought a new photo album with 40 pages. If each photo takes up 1/6 page, how many photos can she put in her new album? The sales tax on clothing that cost $24 is $1.68. How much would sales tax be on clothing that cost $96? What problems did Don Juan Bautista de Anza solve in California? Individuals on ______ are generally NOT required to check in with a probation officer but are required to meet certain terms and conditions set forth by the court. Four students received the following grades on their math quizzes. Which student could use the mode to show that she is doing better than the other three students?Ashlee:78,94,90,70,94Belen:79,79,100,95,99Molly:66,73,98,88,98Sofia:88,94,96,99,80Answers choices:a.Ashleeb.Mollyc.Belend.SofiaFour students Please help ASAP worth 15 points 20% of x is equal to 45. Find the value of x. A crest of a wave with an amplitude of 3 meters intersects with another trough of a wave with an amplitude of 2 meters. What is the resulting amplitude?3 meters2 meters6 meters1 meter 3.07 Listening assignment identifying musical form song name: Colonel Bogey March Listen to the song, and identify the times that the section changes. You will notice that a section changes when the sound changes from loud to soft, heavy to light, major to minor, or just has a different feeliIndicate where the sections change by writing down the time stamp; for example: 1:30 means one minute and thirty seconds into the song. Notate at least three different sections.Once you have written down all of the section changes you hear, make a guess at the form of the piece. You may choose between AB, ABA, or rondo. There are several answers that are correct, so use your ears to the best of your ability and make your best guess