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In what ways do stars change their physical properties over time?
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How do the stars locations change over time?
All the stars and the Sun are moving through space in different directions and at different speeds. Over long times (to a person) they change their positions in the sky and the constellations change.
Identify two ways in which astronomers can use an H-R diagram?
Classify stars and to understand how stars change over time
How did the universe change over time?
the universe is constantly expanding, new stars and galaxies are coming into existence, and old stars are dying.
Do constellations change over time?
Over tens of thousands of years, they do change shape, as the stars move around slightly while hurdling through space in our galaxy....
Are larger stars brighter but have a short lifespan?
Only if you "larger" you mean "more massive". The size (diameter) of a star may change quite a lot over its lifetime.
Is play dough a chemical or physical change?
chemical
Is heating chocolate over boiling water a physical or chemical change?
physical change
How do you get 2nd star in las Vegas mafia wars?
By making sure all of your properties are of 2 stars (upgrading). It only means that the average level of your properties is 2 stars so some can be both over and under 2 stars
Is tearing a physical change or a change of state?
physical because your changing its all over status
What causes properties of metal to change?
What can cause properties of metal to change is by applying heat to it. By this, it makes it a liquid and then over time as it dries, and forms a solid.
What physical process can cause places to change over time?
The Physical features of Earth continue to change.
How do the stars locations change over time?
All the stars and the Sun are moving through space in different directions and at different speeds. Over long times (to a person) they change their positions in the sky and the constellations change.
Mothballs disappear over time is it a chemical change?
It is a Physical Change.
What are the physical properties of fabric?
Physical properties of wool are the following; it is resistant to dirt and wear and tear, does not wrinkle easily, lightweight and versatile, smolders over flame instead of burning, hard wearing and absorbs moisture.
Turning brownie mix into brownies chemical or physical change?
It is chemical i believe because it is changing its form. here's a tip if you do not no the difference between physical and chemical physical change: 1) atoms do not rearrange (switch patterns). 2)Only physical properties change. Chemical properties do not change. 3)phsical changes are generally easy to reverse. 4)no energy is produced by the substance. example: an ice cube (H20) melts in the sun and turns into water (H20) Chemical change 1)Atoms are rearranged into different molecules. There will be a new chemical formula. 2)both physical and chemical properties are changed. 3)changes are not reversible without another reaction. 4)energy is often produced (fire or heat) 0
What are physical properties of wool?
Physical properties of wool are the following; it is resistant to dirt and wear and tear, does not wrinkle easily, lightweight and versatile, smolders over flame instead of burning, hard wearing and absorbs moisture.
The ability for a pond to freeze over in winter is?
Physical Change :)
