Physical and Chemical
electricity and magnetism
constructive/destructive forces
plant/animal cells
inherited traits/classification
100
What is a physical change?
A physical change is when a change happens to a things shape or look like looks different but it is the same substance.
100
what is a electromagnet?
A electromagnet is a magnet that is powered by electricity.
100
Is a volcanic eruption a destructive or constructive force?
It is both because it melt landforms then it hardens and forms new land forms.
100
What is the jelly like substance that holds organelles and keeps them hydrated?
A cytoplasm
100
What are inherited traits?
Inherited traits are traits from parents passed down to their offspring.
200
If you change ice to water is that a physical change or chemical change?
It is a physical change because if you change ice to a liquid or back to a solid it will always be the same substance.
200
Why are bar magnets and electromagnets different?
It's because bar magnets are permanent when placed on something magnetic while electromagnets are powered by electricity.
200
Why do a plant cell need a cell a wall?
The cell wall protects and provides structure for the plant cell.
200
What are examples of inherited traits?
Freckles, skin color, eye color, and hair color.
300
Jacob was doing a science experiment. He had to make a chemical experiment. He did the experiment the color changed. did he do the experiment incorrect or correct?
Jacob did it correctly because a chemical change is when a substance cannot change back to it's regular form such as a color change and when this happens this is a chemical change.
300
If you rub a balloon on your hair and it sticks, is this static or human-harnessed electricity?
It is an example of a static electricity.
400
Which one is a physical change?
The ice is a physical change because it started as ice then melted it into water but if you freeze back to ice it will always be the same substance.
400
If you use an electromagnet and it turns off what could be wrong?
The electricity might be off because an electromagnet needs electricity to work.
500
If you capture steam then turn it back to water is this a physical change or a chemical change?
It is a physical change because the steam is still water so if you add cold which is a condensation it is still the same substance.
500
How are electromagnets used and why?
They are used for picking up big metal objects in a junkyard. They are used because if a metal objects is to heavy they use the big electromagnet.