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How could have caused the pens motion?
The movement of the pen could have been caused by someone physically pushing or dropping it, an external force such as air currents or vibrations, or a change in the pen's environment like a sudden change in temperature.
Is a spoon tarnishing a physical change?
Yes, tarnishing of a spoon is a chemical change. It occurs when the metal reacts with substances in the environment (such as oxygen or sulfur) to form a new compound, which results in a change in the appearance and properties of the spoon.
What can cause the motion of an object to change?
Motion of an object can change due to forces acting on it, such as gravity, friction, or an external push or pull. Changes in velocity or direction can also be caused by interactions with other objects or external factors in the environment.
What is a physical change in matter caused by a loss or gain of heat called?
A physical change in matter caused by a loss or gain of heat is called a thermal change.
What type of change produces a new substance?
A chemical change produces a new substance. This occurs when the original substances undergo a chemical reaction, resulting in the formation of new substances with different chemical properties.
What is Easy definition of pollution?
an unwanted change in the environment caused by substances or forms of energy
What change initially caused the change in diet?
The change in diet was initially caused by changes in climate and the environment, leading to shifts in available food sources.
Do acids melt substances?
No, melting is a change of state caused by heat. Acids are corrosives.
Is cabbage juice and vinegar a chemical or chemical change?
The color change, though physical by itself, is caused by a chemical change of some colored substances in cabbage.
Did the chemical change or a physical change cause the change in the crush can appearance?
The change in the crushed can appearance was caused by a physical change. When the can is crushed, the arrangement of its particles is altered, but no new substances are formed.
What is an unwanted change in the environment?
An unwanted change in the environment refers to alterations that negatively impact ecosystems, biodiversity, or human health. Examples include pollution, deforestation, climate change, and habitat destruction, which can lead to loss of species, disrupted food chains, and adverse health effects. These changes often result from human activities and can have long-lasting consequences for both natural and urban environments. Addressing these issues is crucial for sustainable development and ecological balance.
Whether the change caused in tar by heating is reversible?
it can't be changed,i.e.,irreversible change...
What is the potential damage to the environment if the Tonkin snub nosed monkey were to become extinct?
None. Sad loss but no appreciable change in the environment beyond that which caused the extinction.
Is etching glass with acid a chemical or physical change?
It is a physical change caused by chemicals. Chemical changes are phyiscal changes.
How could have caused the pens motion?
The movement of the pen could have been caused by someone physically pushing or dropping it, an external force such as air currents or vibrations, or a change in the pen's environment like a sudden change in temperature.
What are two substances which pollute the environment when fuels burn?
Two substances that pollute the environment when fuels burn are carbon dioxide (CO2), which contributes to climate change, and nitrogen oxides (NOx), which contribute to air pollution and acid rain.
Is a spoon tarnishing a physical change?
Yes, tarnishing of a spoon is a chemical change. It occurs when the metal reacts with substances in the environment (such as oxygen or sulfur) to form a new compound, which results in a change in the appearance and properties of the spoon.
