PHYSICS MIDDLE SCHOOL

What describes a basic principle of nature that always occurs under certain conditions.

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Answer 1
Answer: A basic principle of nature that always occurs under certain conditions is called a law. An example of that can be Newton's laws or the Laws of Thermodynamics since they are very famous laws in the world of science.

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Can someone help me on 2 science question,this is what they say1. A teacher challenges.students to study moon phases to determine if what they have learned from the textbook is accurate. How might a student investigate claims made in a textbook that moo. phases occur in a 28-day cycle?A. observe the phase of the moon each night until a full moon can be seen.B. Compare the textbook phases to the actual moon phases seen in the night sky each night in 28 days periods over a three month time frame.C. Compare diagrams of moon phases from the textbook to diagrams of moon phases on-lineD. Observe the moon phases seen in the night sky as often as possible over a six month period.2. What causes the apperance of the moon change overtime?A. The orbit of the Earth around the Moon and its distance from the sun.B.The Moons position relative to the sun and earth as it revolves around sun.C. the rotation of the moon on its axisD. The distance of the moon to the sunthank you
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A concave mirror can produce _____.either a virtual image or a real image

a real image

a virtual image

a refracted image

Answers

Answer:

a virtual image

Explanation:

gradpoint

The _______________ of two objects and their distance from each other determine the gravitational force between them. (Please help this is my last science question on my homework)

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" ... product of the masses ... "
The masses of two objects

Suppose you are standing on a skateboard and shoot a paintball gun at your friend. Which direction relative toyour friend will you move? Explain. _

Answers

Answer:

I will move way from my friend.

Explanation:

As I shoot the paintball towards my friend, the gun exerts a force on it that sends it moving towards my friend, and according to newtons third law, the paintball exerts an equal and opposite force on me, which causes me to move in the opposite direction of the movement of the paintball; this direction is away from my friend.

In the metric system, the base unit for volume is the

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The base unit would be liter.
The unit of volume most often used is the liter, because it's
so handy and useful in everyday life (except in the USA, that is). 

But the liter isn't the "base unit" of volume.  The base unit is the
cubic meter, and the liter is 0.001 of that.

Which body system make movement possible

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The intestinal system, which is part of the alimentary system.
Muscular system makes movement possible

What has more thermal energy a small balloon or a large balloon

Answers

Answer:

large balloon

Explanation:

Thermal energy is the amount of energy contained in a system solely by the effect of its temperature. However, this concept should not be confused with that of internal energy. Internal energy, in turn, is defined as the sum of kinetic energy (translational, rotational and vibrational) with the different forms of potential energy (attractive or repulsive) that can exist between the molecules of a body.

Kinetic energy is associated with the movement of molecules, while potential energy is energy that can be stored in a physical system. In the case of balloons filled with air or liquids, the larger the balloon, the greater the kinetic potential and consequently the thermal energy. For example, a large balloon filled with air will have more thermal energy, because it will have more air molecules that will move through the kinetic energy causing thermal energy.
The average kinetic energy of these individual particles causes an effect we can sense—warmth. ... The air in the air-filled balloon absorbed thermal energy from the flame and started moving faster. The increased movement of the molecules of air expanded the balloon and plastic of the balloon quickly melted. So the big one
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How do igneous rocks differ from each other.