a ecosystem is a place where living and non living things that interact.
what is an ecosystem ?
100
A conductor is something that electricity moves through easily Eg. metal, copper
What is a conductor?
100
A physical property describes what it looks like, what it feels like without changing it.
A chemical property describes what happens when two chemicals are combined.
What is the difference between a chemical property and a physical property?
200
Abiotic means non-living. tow examples rock dirt
what dose abiotic mean? give two examples .
200
An insulator is something that heat or electricity does not go through.
What is an insulator?
200
It is when something like an apple is exposed to oxygen and turns brown.
What is oxidization?
300
everything in the ecosystem lives off of each other (food chains) to keep it in balance.
how do ecosystems work?
300
When you plug something in it grounds it so that the electricity goes into the ground so it is safe.
How does grounding work?
300
The neutrons are located in the nucleus.
Where are the neutrons located?
400
Food chains are impotant so that all living things can live and have food to survive.
Why are food chains important?
400
It is better to have a circuit breaker than a fuse box because if you blow a fuse you need a new one but if you blow a breaker you just flip a switch.
Why is it better to have a circuit breaker instead of a fuse box?
400
It explodes because of the chemical reaction.
What happens when you put vinegar in baking powder?
500
what is it called when plants make there own food ?
photosynthesis.
500
You have to take one light bulb out and replace it until you find the burnt bulb.
How do you check which bulb is burnt in a string of Christmas lights?
500
Because the chemicals could be dangerous and could irritate your skin.
Why do you need to wear safety equipment in the lab?