In which state of matter are the particles least tightly arranged?(1 point) Responses
gas
The particles are arranged the same in all states of matter.
liquid
solid
gas
Which of the following best describes the arrangement of particles in a gas?(1 point) Responses
The particles are spread apart and can move freely.
The particles are packed closely together and cannot move freely.
The particles are packed closely together and can move freely.
The particles are spread apart and cannot move freely.
The particles are spread apart and can move freely.
At a fair or circus, some performers and clowns take long balloons and fold them into animals and objects as toys for children. Which statement explains why the balloon can fold, twist, and bend without bursting?(1 point) Responses
The balloon is made of a flexible material so it can be changed into different shapes without ever bursting.
There is no matter that exists inside a balloon, so there is nothing that can cause the balloon to burst when it is folded, twisted, and bent.
The balloon is filled with air, which is a mix of gases. Air is fluid and can move around the inside of the balloon as it is folded.
The balloon is filled with air, which is a mix of gases. The pressure of the air inside the balloon makes it rigid enough to look like an animal.
The balloon is made of a flexible material so it can be changed into different shapes without ever bursting.
Particles that are smaller and have ____ generally dissolve faster.(1 point) Responses
more surface area
less surface area
less space between them
more space between them
more surface area
Which best defines color?(1 point) Responses
a physical property of matter related to how a material interacts with different wavelengths of light.
a chemical property of matter related to a material’s ability to reflect light.
a chemical property of matter related to how a material interacts with different wavelengths of light.
a physical property of matter related to a material’s ability to reflect light
a physical property of matter related to how a material interacts with different wavelengths of light.
Which of the following materials is a good electrical conductor?(1 point) Responses
plastic
rubber
ceramic
copper