CHEMISTRY MIDDLE SCHOOL

Lisa wrote the following steps in the formation of metamorphic rocks.Step 1: Rocks pushed up onto Earth's surface due to movement of tectonic plates
Step 2: Rocks experience extreme heat and pressure
Step 3: Mineral composition of rocks changes
Step 4: Original rocks transform into a new rock

Which step contains an error?

Answers

Answer 1
Answer:

Answer:

Step 1

Explanation:

That is the error
Answer 2
Answer:

Answer:

The correct answer is Step 1: Rocks pushed up onto Earth's surface due to movement of tectonic plates.

The step 1 is the incorrect. It is incorrect because metamorphic rocks are formed on the surface of the Earth by the effect of heat and pressure on existing rocks. This can greatly affect the hardness, texture or layer patterns of the rocks. These rocks are changed by heat produced by nearby molten igneous rock. When the volcanoes erupt or release lava, the lava seeps inside the cracks of the rock and due to heat and pressure, forms a metamorphic rock.

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Definition-A formation of new chemical substances.
Example- Sugar undergoes a chemical change when it is cooked to make caramel. :3

Hope I helped! Sorry if it's bad.
Chemical changes are the chemical properties associated with a specific matter. 

Examples include toxicity, reactivity, stability, flammability, etc. 

Light is shining in the different objects shown. which of these materials absorbs the light most?

Answers

Hey! Ur in K12 2! I am in K12. lol. Anyways, the answer would be D. I think I've done this lesson before
I am almost 100% sure that it is D

Think about a wooden chair and a balloon. what do these two objects always have in common?

Answers

They are both made out of atoms!

Why can't you use the largest objective for some slides

Answers

maybe because its zoomed in to close

Whats the difference between hetergeneous and homogeneous?

Answers

In Homogeneous, "Homo" means same, so homogeneous means the same nature or kind.

 Heterogeneous is the opposite. It means diverse.
 
A good way to remember is just think of homo as same. And the rest should come to you.

Hope this helps! :)

Before dinner, Mr. Larsen pushes his daughter Sally on her swing for a fewminutes. The chain creaks and rubs against the metal hook at the top of the
bar as she swings through the air. After he stops pushing her, she slows down
and eventually stops. This example shows that:
A. energy is converted between forms with complete efficiency.
B. energy is created as Sally's dad begins to push her.
C. energy is destroyed by friction and vibration.
D. energy is transferred to friction and vibration as it is converted between different forms.

Answers

According to law of conservation of energy, the given example shows that energy is transferred to friction and vibration as it is converted between different forms as it can neither be created  nor destroyed.

What is law of conservation of energy?

According to law of conservation of energy, it is evident that energy  is neither created nor destroyed rather it is restored at the end of a process .

Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.

Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Julius Robert Mayer in the year 1842.

Learn more about law of conservation of energy,here:

brainly.com/question/12050604

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Answer:d

Explanation:
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