10. what is a solid?
11. how are the particles in a crystalline solid arranged?
12. how are the particles in an amorphous solid arranged?
liquids
13. how do the particles of a liquid make it possible to pour juice into a glass?
14. a beaker and a cylinder each contain 350 ml of juice. what does this show you about the properties of a liquid?
15. liquids tend to form spherical droplets because of ______ tension.
16. water has a lower ______ than honey.
gases
17. what is a gas?
18. how is it possible for one tank of helium to fill 700 balloons?

Question

Accepted Answer

### Question 10: What is a solid?
# Brief Explanations:
A solid is a state of matter with a definite shape and volume. Its particles are closely packed, vibrating in fixed positions, giving it rigidity (e.g., ice, wood, metal).
# Answer:
A solid is a state of matter with a definite shape and volume, where particles are closely packed and vibrate in fixed positions (e.g., ice, rock, metal).

### Question 11: How are the particles in a crystalline solid arranged?
# Brief Explanations:
In crystalline solids, particles (atoms, ions, molecules) are arranged in a highly ordered, repeating three - dimensional pattern (a crystal lattice). Examples include salt (NaCl, with Na⁺ and Cl⁻ in a cubic lattice) and quartz.
# Answer:
Particles in a crystalline solid are arranged in a highly ordered, repeating three - dimensional geometric pattern (crystal lattice), e.g., NaCl has a cubic lattice of Na⁺ and Cl⁻.

### Question 12: How are the particles in an amorphous solid arranged?
# Brief Explanations:
Amorphous solid particles have a random, disordered arrangement, lacking a long - range repeating pattern. Unlike crystalline solids, they don't form a crystal lattice. Examples are glass and rubber.
# Answer:
Particles in an amorphous solid are arranged in a random, disordered manner with no long - range repeating pattern (e.g., glass, rubber).

### Question 13: How do the particles of a liquid make it possible to pour juice into a glass?
# Brief Explanations:
Liquid particles are close but can slide past one another (have more freedom than solid particles). This ability to flow (due to interparticle forces being weaker than in solids, allowing movement) enables pouring.
# Answer:
Liquid particles are close but can slide past each other (flow) because interparticle forces are weak enough to allow movement, enabling pouring juice into a glass.

### Question 14: A beaker and a cylinder each contain 350 mL of juice. What does this show you about the properties of a liquid?
# Brief Explanations:
Liquids have a definite volume (350 mL here) but take the shape of their container. The same volume in different - shaped containers (beaker, cylinder) shows liquids have definite volume and indefinite shape.
# Answer:
This shows liquids have a definite volume (350 mL is constant) but take the shape of their container (different shapes of beaker and cylinder are occupied).

### Question 15: Liquids tend to form spherical droplets because of ______ tension.
# Brief Explanations:
Surface tension is the force that causes the surface of a liquid to contract to the smallest possible area. A sphere has the smallest surface area for a given volume, so surface tension makes liquid droplets spherical.
# Answer:
surface

### Question 16: Water has a lower ______ than honey.
# Brief Explanations:
Viscosity is a liquid's resistance to flow. Honey is thicker (more viscous) than water, so water has lower viscosity.
# Answer:
viscosity

### Question 17: What is a gas?
# Brief Explanations:
A gas is a state of matter with no definite shape or volume. Its particles are far apart, move freely (at high speeds), and fill any container. Examples: air, helium, oxygen.
# Answer:
A gas is a state of matter with no definite shape or volume, where particles are far apart, move freely, and fill their container (e.g., air, helium).

### Question 18: How is it possible for one tank of helium to fill 700 balloons?
# Brief Explanations:
Gas particles are far apart with large empty spaces between them. When helium is released from the tank, the particles spread out (expand) to fill the balloons, as gases are highly compressible and can expand to fill available space.
# Answer:
Gas particles are far apart with empty space between them. Helium particles expand (fill available space) as gases are highly compressible, so one tank can fill many balloons.

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Explanation:

Question 10: What is a solid?

Answer:

Question 11: How are the particles in a crystalline solid arranged?