What is the difference between abiotic and biotic factors?
Abiotic: Nonliving factors in an ecosystem.
Biotic: Living things in an ecosystem.
100
What is vascular and nonvascular mean?
Vascular means plants with tubes.
Nonvascular means plants without tubes.
100
What is germination?
When a seed begins to grow.
100
What are the 3 states of matter? Give one example of each.
Solid, liquid, gas.
book, pencil, paper
water, juice, syrup
air, helium, water vapor
100
What are 3 different types of energy?
electricity, magnetism, heat, light, sound
200
What is a population?
A group of the same kind of plant or animal living in the same ecosystem.
200
A plant cell has a cell wall and chlorplasts. An animal does not.
What are 2 differences between a plant cell and an animal cell?
200
What is a trait? And give me one example of a trait
A trait is a characteristic that makes one organism different from another.
ex: eye and hair color, ears, nose, mouth.
200
What is rotation and revolution? How long does each take?
Rotation is when the earth spins on its axis. The earth rotates every 24 hours or 1 day.
Revolution is when the earth goes around the sun. The earth revolves around the sun in 365 days or 1 year.
200
What is a conductor and an insulator?
A conductor lets heat or electricity pass through it.
An insulator does not let heat or energy pass through it.
300
What is it called when you plant trees and repair ecosystems?
Habitat Restoration
300
What is the difference between a vertebrate and an invertebrate?
A verterbrate is an animal with a backbone and an invertebrate is an animal without a backbone.
300
What is the difference between direct development and metamorphosis?
Direct development is when you are born one animal and grow into a bigger version of that animal.
Metamorphosis is when you are born as one animal and you change into another animal as you reach adulthood.
300
What is a property? What are 3 properties?
A property tells you about an object.
color, shape, size, texture.
300
When handling magnets, what are the 2 sides of a magnet called and explain the terms attract and repel.
North pole and south pole.
Attract means come together.
Repel means to move away from each other.
400
What are 3 biotic factors and 3 abiotic factors in an ecosystem?
The female seahorse lays the eggs in the males pouch and the male carries the eggs until they hatch.
400
Please give an example of an inclined plane, a pulley, and a lever.
ramp, hill
curtains, flagpole, window shade.
lever- crobar, voting booth.
400
If I am riding a bicycle that can make a bulb lit, what 2 types of energy are being shown?
Mechanical energy and light.
500
What happens to a hill that has plants and weeds on one side and nothing on the other side?
The side with the plants will stay the same. On the side with no plants erosion will occur and the soil will wash away down the hill.
500
How is bacteria different from all other cells?
It does not have a nucleus.
500
What is the difference between seeds and spores?
Seeds come from the flower and then are planted in the soil for a new plant to grow.
Spores come from the leaves and are released onto the ground and grow into heart shaped plants.
500
If I gave you a pan balance, a cup and a cup of water, how can you figure out the mass of the water?
I would measure the mass of the cup, then the mass of the cup with water, and subtract.
500
Explain the difference between an open and closed circuit.
An open circuit, the bulb will not light because there is a break in the circuit.
A closed circuit, the bulb will light because there are no breaks in the circuit.