Warm-Up Day 5 2.1

Quiz
•
Science
•
8th Grade
•
Medium
Standards-aligned
Micah Effrein
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following properties is unique to liquids and not shared with solids or gases?
Fixed shape
Fixed volume
Ability to flow
High compressibility
Answer explanation
The ability to flow is unique to liquids, allowing them to take the shape of their container. Solids have a fixed shape, and gases can flow but do not have a fixed volume, making this property distinct to liquids.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the particles in a solid when it is heated to its melting point?
They move closer together
They start to vibrate more vigorously
They become completely stationary
They expand and take the shape of the container
Answer explanation
When a solid is heated to its melting point, the particles gain energy and start to vibrate more vigorously. This increased movement eventually leads to the breaking of bonds, allowing the solid to transition into a liquid.
Tags
NGSS.MS-PS1-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the behavior of gas particles?
They are tightly packed and vibrate in place
They are loosely packed and slide past each other
They move freely and are far apart
They are fixed in a rigid structure
Answer explanation
Gas particles move freely and are far apart, allowing them to fill their container. This behavior contrasts with solids, where particles are tightly packed and vibrate in place.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does increasing the temperature affect the viscosity of a liquid?
Increases viscosity
Decreases viscosity
Has no effect on viscosity
Solidifies the liquid
Answer explanation
Increasing the temperature decreases the viscosity of a liquid. As temperature rises, the kinetic energy of the molecules increases, allowing them to move more freely and reducing resistance to flow.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property of solids allows them to maintain a definite shape?
High compressibility
Strong intermolecular forces
Low density
High fluidity
Answer explanation
Solids maintain a definite shape due to strong intermolecular forces that hold their particles closely together, preventing them from moving freely. This contrasts with liquids and gases, which have weaker forces and can change shape.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about the compressibility of gases?
Gases are incompressible
Gases are less compressible than liquids
Gases are more compressible than solids
Gases have the same compressibility as liquids
Answer explanation
Gases are more compressible than solids because their particles are farther apart, allowing them to be compressed more easily. In contrast, solids have tightly packed particles, making them less compressible.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of surface tension on a liquid's surface?
It causes the surface to expand
It causes the surface to contract
It makes the surface rough
It makes the surface evaporate
Answer explanation
Surface tension causes the molecules at the surface of a liquid to be pulled inward, leading to a contraction of the surface. This effect creates a 'skin' on the liquid, making it more resistant to external forces.
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