PHYSICS MIDDLE SCHOOL

1.) Properties of a compound are_____the properties of the elements that make them up.2.)Compounds form as a result of a______

Answers

Answer 1
Answer:
1). ... sometimes but not necessarily similar to ...

2). ... chemical reaction.

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Predictions of electroscope

Answers

Explanation:

here is your answer

here you go ,
From all these statistics, we can conclude that the working of an electroscope is based on charge induction, the atomic and internal structure of the metal elements, and the notion that unlike charges attract while charges repel each other.

The leg's force forward on the foot= 500NThe foot's force forward on the ball= 500N
The ball's force back on the foot= 500N
What is the net force on the ball?
What is the net force on the foot?

Answers


There's so much going on here, in a short period of time.

Before the kick, as the foot swings toward the ball . . .

-- The net force on the ball is zero.  That's why it just lays there and
does not accelerate in any direction.

-- The net force on the foot is 500N, originating in the leg, causing it to
accelerate toward the ball.


During the kick ... the 0.1 second or so that the foot is in contact with the ball ...

-- The net force on the ball is 500N.  That's what makes it accelerate from
just laying there to taking off on a high arc.

-- The net force on the foot is zero ... 500N from the leg, pointing forward,
and 500N as the reaction force from the ball, pointing backward. 

That's how the leg's speed remains constant ... creating a dent in the ball
until the ball accelerates to match the speed of the foot, and then drawing
out of the dent, as the ball accelerates to exceed the speed of the foot and
draw away from it.


Help with just the ones that are not filled in pls

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For question 5: the solute is the stain and the solvent is the alcohol

6. Sugar is the solute and tea is the solvent

7. The tea leaves in the tea bag is the solute and the water is the solvent

General rule is that the solute is the one that needs to be dissolved and the solvent is the one that dissolves the solute. Hope its clear

What do you think scientists classify blood as a connective tissue?

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Blood is a fluid connective tissue because its found in all the internal organs and its is also connect two or more organs like tissue with heart

Which statement is true of magnets?a. Elecromagnets are generally weaker than permanent magnets.
b. Earth is an electromagnet.
c. A magnet always has a north pol, and may or may not also have a south pole.
d. Permanent magnets can be turned off.

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The answer would be B. Earth is an electromagnet.


The Earth is a giant electromagnet. It's electromagnetic field is generated from the currents of electricity coming from molten metal flowing in the outer core of our Earth. The heat from the inner core causes convection and that is how electric current flows within Earth.

Earth us an electromagnet (apex)

What is the difference between mass and weight in Physical Science?

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Mass is a property of a lump of matter.  It goes wherever the lump goes,
and it doesn't depend on what else may be nearby.

Weight is the force of gravity between a lump of matter and some other
mass.  Since it depends on what else may be nearby, it can be different in
different places.

This is the correct answer in Physical Science.  It's also the correct answer
in Biology, Math, Political Science, and Comparative Middle Eastern Religions.
mass is how much matter is in an object
wieght is  a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
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