physical/chemical
electro/mag
microorganism
inherited/classifactions
earth science
100
What change can easily be reversed?
What is physical change.
Its a physical change because they are reversible because they only alter an object's state, shape, or appearance without changing its fundamental chemical identity or breaking atomic bonds.
100
How is an electromagnet different from a permanent magnet?
What is electromagnets never lose their strength.
An electromagnet can be turned on and off with electricity, while a permanent magnet is always "on"
100
What is a microorganism?
What is a tiny living thing you need a microscope to see.
100
T/F: Inherited and acquired traits are different because one your born with and the other you equipped during life.
What is true.
100
T/F: constructive process are weathering and erosion.
What is false
200
Is a melted popsicle an example of a physical or chemical change?
What is a physical change.
Its a physical change because the popsicle is still the same substance, just melted
200
Which of the following is a key advantage of an electromagnet over a permanent magnet?
What is one has a fixed magnetic field and the other can be adjusted
200
What is the different between the vacuole in the animal cell and plant cell?
What is that that the animal cell have multiple vacuole and the plant cell has on big one called a central vacuole.
200
Which of the following is an example of an inherited trait, not an acquired one?
A. A scar on a dog's leg
B. The ability to sit on command
C. Fur color
D. A thin coat due to poor nutrition
What is c) fur color.
200
T/F: constructive force is ONLY erosion and deposition.
What is false
erosion is not a constructive process.
300
You leave a banana on the counter for two weeks and it turns black and mushy. This is a ______ change.
What is chemical?
It’s a chemical change because the banana is actually turning into something new.
300
A student built an electromagnet but found it was too weak to lift a heavy steel hook. Why did this happen?
What is increase the current flowing through the wire by increasing the voltage and Increase the number of turns.
300
How are the beneficial and harmful of salmonella?
What is salmonella can cure cancer and the harmful affect you'll get stomach problem.
300
Antoine wanted to know if his hair color was Inherited, he claim it wasn't, Brooklyn said it was. Who is right.
Who is Brooklyn.
300
Antoine and Syer said the only way you can destruct something is with water. Amya and Saiya said there's multiple ways to destruct like by wind, water, etc. Who is right?
Who is Amya and Saiya.
400
A student finds a rusty nail in a wet garden and a shiny nail in a dry garage. What kinda of change occur? What's the evdience of it?
What is chemical change.
What is the rust on the nail.
The nail in the garden turned into a chemical change because it had all three ingredients needed to make a mess: Iron + Water + Oxygen.
400
Which of the following best compares bar magnets and the electromagnet?
a) bar magnets and electromagnets can bee turned on or off.
b) bar magnets and electromagnets maintain a constant magnetic pull.
c) bar magnets can be turned on or off, but electromagnet maintain a constant magnetic pull
d)bar magnets maintain a constant magnetic pull, but electromagnets can be turned on off.
What is is D.)bar magnets maintain a constant magnetic pull, but electromagnets can be turned on off.
400
What is the difference between the animal membrane and the plant member?
What is that the membrane in the animal protect it while the one in the animal cell doesn't.
400
What plants put their offspring in a cone.
What is flowering plant, such as cherry tree, apple tree, or any fruit tree.
400
Whats the difference between a dam and a levee
What is Dams are built across rivers to store water in a reservoir, while levees run parallel to banks to prevent flooding and contain water within its channel.
500
When you light a candle, is the process a physical change, a chemical change, or both?
What is both.
The solid wax near the flame absorbs heat and melts into liquid wax. This is just a change of state; the molecules are still wax. And it also lets off gases showing evidence of a chemical change.
500
The diagram shows a circuit that Antoine is building. What object should he use to best complete her circuit?
What is any metal item.
500
What is 2 things plant cells have that the animal cell doesn't?
What is Choroplast and Cell wall.
500
T/F: A snake is an invertebrate since it doesn't have a bones, but an ant is a vertebrate. Is this true or false?
What is false.
500
T/F: The Earth's crust is divided into moving tectonic plates.
What is true.