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- Q1
What is the characteristic of solid particles as seen in their particle model?
Vibrating in place with minimal space between them.
Flowing around each other and constantly changing positions.
Arranged in a specific pattern but with large gaps.
Moving freely and spread far apart.
120sS7MT-Ig-h-5 - Q2
Why do scientists use models?
They are always simple and easy to understand.
They can be used to test ideas and make predictions.
They are exact representations of reality.
They only exist in computer simulations.
120sS7MT-Ia-1 - Q3
Which of the following CANNOT be a scientific model for the atom?
A round Styrofoam ball colored with parts representing electrons and other subatomic particles.
An image (picture, concept map, flowchart, etc.) that considers all laws of science.
A computerized interactive game where you can put subatomic particles and guess the correct image for atom.
A song with lyrics full of subatomic particles and their charges.
120sS7MT-Ia-1 - Q4
What is the movement of the particles in a gas?
Not moving at all.
Moving rapidly with large spaces between them.
Moving very slowly with large spaces between them.
Moving very slowly and tightly packed together.
120sS7MT-Ia-1 - Q5
What can you say about the movement (speed) of the particles of solid, liquid, and gas?
Gas particles are the fastest among all state because molecules are far apart.
The speed of the particles is not affected by temperature
The speed of the particles is the same in all state.
Solid particles are the fastest to move compared to gas and liquid.
120sS7MT-Ia-1 - Q6
What do you think will happen to the substance in terms of temperature change?
The temperature was increased, and the substance was liquefied.
The temperature dropped and solidified the substance.
The liquid substance was frozen and became solid.
The liquid substance was heated and evaporated as gas.
120sS7MT-Ia-1 - Q7
How does the Kinetic Molecular Theory describe the particles of a solid?
Constantly moving with large spaces between them.
Only vibrating in place.
Constantly moving with very small spaces between them.
Completely still and packed together.
30sS7MT-Ia-1 - Q8
Which of the following will happen to the particles of a substance during melting?
Don't change their energy or arrangement.
Lose energy and move slower.
Gain energy and move faster.
Change their arrangement but not their speed.
120sS7MT-Ia-1 - Q9
Which among the choices will happen to the particles as a gas cool down and condenses?
Gain energy and move slower.
Lose energy but maintain the same spacing.
Gain energy and move faster.
Lose energy and move closer together.
120sS7MT-Ia-1 - Q10
Please refer to the illustration below.
Applying the learned knowledge about particle arrangement, why do solids only have minimal movement?
Because particles are tightly packed together in a rigid structure.
Because it loses energy but maintain the same spacing.
Because particles are still close but have some freedom of movement, allowing
Because particles are spread out far apart with the most freedom of movement
120sS7MT-Ia-1 - Q11
Please refer to the illustration below.
How do gases in the illustration above behave that way?
It gains energy and has a free motion in any direction.
It gains energy and have a regular movement in a fixed location.
It loses energy and have a vital movement.
It loses energy and have an irregular movement.
120sS7MT-Ia-1 - Q12
Please refer to the illustration below.
How do you describe liquid based on the illustration?
Particles are unexplainable because of the changes of state that are present.
Particles are still close but have some freedom of movement, allowing them to slide past each other.
Particles are compact but have a freedom of movement.
Particles are far from one another so they are freely moving.
120sS7MT-Ia-1 - Q13
Use the illustration to emphasize the concepts.
As we add heat to a solid, the particles gain kinetic energy and start vibrating more vigorously. This disrupts the rigid structure, causing them to move around more. Which of the following best describes the scenario?
Liquid to gas.
Transitioning to liquid.
Heating a solid.
Transitioning to gas.
120sS7MT-Ia-1 - Q14
Use the illustration to emphasize the concepts.
With increased movement, the particles in the solid can no longer maintain their fixed positions. They overcome the forces holding them together, leading to a looser arrangement and the formation of a liquid.
Liquid to gas.
Both A and B
Heating a solid.
Transitioning to liquid
120sS7MT-Ia-1 - Q15
Use the illustration to emphasize the concepts.
Further heating the liquid provides even more energy to the particles. They move so fast that they overcome the remaining attractive forces and spread out far apart, transforming the liquid into a gas
Transitioning to liquid
Transitioning to plasma.
Liquid to gas.
Transitioning to solid.
120sS7MT-Ia-1
