what is a physical change and what is a chemical change
A physical change is the same thing before and after and a chemical change completly changes
what is eletricty??
eletricty is energy resulting from the existence of charged particles (such as electrons or protons), either statically as an accumulation of charge or dynamically as a current.
what is a constructive and destructive prosses???
a constructive prosses builds up a platform while a destructive prosses breaks it down.
What is a microorganism?
A living thing that cannot be seen with a naked eye. or you can only see with a microocope
Which of the following is an example of an inherited trait?
a) Learning to ride a bike
b) Developing a scar from a cut
c) Having naturally curly hair
Having naturally curly hair
Which of the following is an example of a physical change
a) Baking a cake
b) Mixing salt and water
c) Burning gasoline
d) Metal rusting
Mixing salt and water (Answer B)
How does a battery produce a flow of electrons???
Through a chemical reaction that causes a transfer of electrons between two electrodes.
Describe how a volcano can be both a destructive and a constructive force on the Earth's surface.
They can cause devastation through eruptions that destroy landscapes, ecosystems, and infrastructure, while also building new landforms through the deposition of lava and ash, enriching soils and even creating new islands. so they can be both a destructive and constructive prosses.
What are the main types of cells?
prokaryotic and eukaryotic cells
Explain the difference between inherited traits and acquired traits
An Inherited trait is something you were born with and an Acquired trait is something you got after you were born.
which of the followings are examples of physical changes????
Broken glass
rusting
ice melting
rotting
did you choose. Broken glass ??
"Explain how a short circuit in a household electrical system can cause a fire. What safety measures can be taken to prevent this from happening?"
A short circuit occurs when a current takes an unintended path through the electrical circuit, leading to a rapid increase in current flow and the generation of excessive heat. This heat can ignite flammable materials, starting a fire. To prevent this, safety measures such as circuit breakers, fuses, and proper wiring practices are essential
How does a battery make electricity explain your response
LIST ALL PARTS YOU WOULD NEED
connecting different numbers of batteries in series to a light bulb and measuring the brightness with a light meter.
What do Vacuoles do in both the animal cell and plant cell?:)
Vacuoles are like the storage area for the cells to save nutrients for later.
Explain how a baby's traits, such as hair color, eye color, and even things like earlobe attachment, are a mix of both parents' traits, and why siblings within the same family may have variations in their appearance despite sharing the same parents.
Due to the inheritance of genetic material (DNA) from each parent,
A chemical change would be indicated by evidence such as the formation of a new substance (like gas bubbles), a color change, temperature changes, or the formation of a precipitate. Analyzing these observed changes helps determine if the reaction involves the creation of new substances.
that is a chemical change
2. Compare and contrast how a battery, a generator, and a solar panel create electricity, and explain how these methods differ in terms of their energy source and how they are used in everyday devices..
using analogies like a water hose for understanding voltage, current, and power, or by examining how static electricity, like a shock, differs from current electricity, which powers appliances
how can you see if the number of coils determans the strength of a magnet ???? EXPLAIN.
You can check how many paper clips the magnet can pick up to deternman the strength of a magnet.
microoganism. NO
Explain how the fur color of a tiger can affect its hunting success, and how this could be an example of inherited variation and natural selection.
The fur color could help blend it so the tigerr can hunt on its prey.
Consider the reaction between a metal and a solution of acid. How can you determine if the reaction is a chemical change by analyze what you would of observe???
(chose is you want to)
gas (like hydrogen), a change in temperature, or a color change.
which of the 5 followings are a type of electricity?? choose 2 answers :):)
human harness
jumping on trampoline
static electricity
rubbing balloon on hair
Human harness and static electricity.
How can human technology be used to mitigate the destructive effects of earthquakes on communities?
enhancing building safety, providing early warnings, and improving disaster response
What is the microbiome?.
the community of microorganisms (bacteria, viruses, fungi) that live in and on the body.
Explain how a cat's inherited traits (fur color, pattern, ear shape) are passed down from parents, and how these inherited traits might affect its ability to survive.
passed down through genes, which are segments of DNA that were Inherited by the parents.