________ helps create arches while ____________ create u- shaped valleys
What are wind and glaciers respectively?
100
an object that does not allow electricity to travel through it.
What is an insulator?
100
formed when an iron core is inserted into a coil and electrical current is passed through the coil
What is an electromagnet?
100
Choose the trait that plants always pass along:
length of life, tallness, shape of leaves
What is shape of leaves?
200
Has a definite shape and takes up a definite amount of space.
What is a solid?
200
the two ways land is broken down
What are Erosion-Weathering?
200
penny, quarter, wire, popcan, spoon, fork, knife
What are some objects that conduct electricity? (conductors)
200
location of strongest magnetic force on bar magnet
What are the poles?
200
This is the passing of traits from parent to offspring.
What is heredity?
300
A type of change that forms a new substance.
What is a chemical change?
300
Four things that build up landforms on the earth
What are Deposition and Earthquakes, Volcanoes, and Uplift?
300
wood, rubber, most plastics
What are some examples of insulators?
300
north poles on two different magnets face each other
What is the magnets repel, or push apart.
300
If a child has brown eyes, this is the likely color of his parents' eyes.
What is brown?
400
A change in size, shape, or state... melting or freezing
What is a physical change?
400
When looking for the oldest rock in a formation, this is where you would look.
What is the bottom layers?
400
Objects with_________ charges attract one another and objects with the _________ charge repel each other.
What are opposite and same, respectively?
400
The earth's magnetic field mimics this smaller object.
What is a bar magnet?
400
Length of ears, color and thickness of fur, shape of feet.
What are variations of an organism?
500
The weight remaining if you remove 250 grams of water from a 370 gram mixture of water and sugar.
What is 120 grams?
500
Forms a butte, plateau, or mesa
What is uplift?
500
The atoms in your hair have lost electrons to the balloon through rubbing and now the strands of your hair have positive charges so they repel each other.
What is static electricity?
500
The reason a compass will point toward a magnet instead of toward the North Pole of earth.
What is the magnet is closer?
500
A rancher finds another young sheep gone from his flock. He suspects a coyote is eating them. The rancher realizes he can't take his flock to the same pasture again today or he may lose more sheep because the coyote has developed one of these.