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Matter can undergo physical and chemical changes. A physical change is a change of matter from one form to another without a change in chemical properties. Which process is an example of a physical change?
She physically changed the modeling clay.
the measure of the amount of space that an object occupies
Solubility
The clear liquid is less dense than the black liquid.
Physical properties can be observed without changing the identity of a substance
ice melting
Most chemical reactions are faster at lower temperatures.
total amount of water in the ice cube
Which phrase describes the mass of an ice cube?
She physically changed the modeling clay.
the measure of the amount of space that an object occupies
Solubility
The clear liquid is less dense than the black liquid.
Physical properties can be observed without changing the identity of a substance
ice melting
Most chemical reactions are faster at lower temperatures.
total amount of water in the ice cube
Which statement best describes volume?
She physically changed the modeling clay.
the measure of the amount of space that an object occupies
Solubility
The clear liquid is less dense than the black liquid.
Physical properties can be observed without changing the identity of a substance
ice melting
Most chemical reactions are faster at lower temperatures.
total amount of water in the ice cube
All matter has both physical and chemical properties. A physical property is one that does not change the chemical nature of matter. Which of these choices is a physical property?
She physically changed the modeling clay.
the measure of the amount of space that an object occupies
Solubility
The clear liquid is less dense than the black liquid.
Physical properties can be observed without changing the identity of a substance
ice melting
Most chemical reactions are faster at lower temperatures.
total amount of water in the ice cube
Kavish mixes a black liquid and a clear liquid. He knows the two liquids do not mix well. Kavish allows the mixture to settle for 30 minutes. The clear liquid is on top of the black liquid. Which of these statements is true?
She physically changed the modeling clay.
the measure of the amount of space that an object occupies
Solubility
The clear liquid is less dense than the black liquid.
Physical properties can be observed without changing the identity of a substance
ice melting
Most chemical reactions are faster at lower temperatures.
total amount of water in the ice cube
In art class, Paula created a figure of a dog using modeling clay. Which of the following occurred when Paula created the clay figure?
She physically changed the modeling clay.
the measure of the amount of space that an object occupies
Solubility
The clear liquid is less dense than the black liquid.
Physical properties can be observed without changing the identity of a substance
ice melting
Most chemical reactions are faster at lower temperatures.
total amount of water in the ice cube
Matter has two basic properties: physical properties and chemical properties. Which of these statements best describes physical properties?
She physically changed the modeling clay.
the measure of the amount of space that an object occupies
Solubility
The clear liquid is less dense than the black liquid.
Physical properties can be observed without changing the identity of a substance
ice melting
Most chemical reactions are faster at lower temperatures.
total amount of water in the ice cube
Which of the following statements about chemical reactions is NOT true?
She physically changed the modeling clay.
the measure of the amount of space that an object occupies
Solubility
The clear liquid is less dense than the black liquid.
Physical properties can be observed without changing the identity of a substance
ice melting
Most chemical reactions are faster at lower temperatures.
total amount of water in the ice cube
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