Matter
What is Matter?
anything that takes up space
In a food chain what do the arrows mean?
Energy Flow
What can scientists do to answer a question?
Plan and carryout an investigation
Where is most of earth's fresh water found?
Glaciers and underground
What is an ecosystem?
The relationship between Biotic and Abiotic factors
Which is not matter?
air
gravity
steam
dust
gravity
An organism that makes its own food
Producer
Why are different trials important
to make sure the experiment is fair
What are the 4 major systems of earth
geosphere, hydrosphere, atmosphere, and biosphere
Which choice has a group of only consumers?
grass, cows, birds
tigers, turtles, seaweed
owl, snake, bear
cactus, sun, mushroom
Name the three states of matter
solid, liquid, gas
An organism that only eats plants
Herbivore
What is the margin or error
an amount (usually small) that is allowed for in case of error
The Biosphere is
all living things including humans
Which is NOT a consumer?
mushroom
bird
carnivore
omnivore
In which state of matter are the particles moving the fastest
gas
an organism that eats both plants and Animals
Omnivore
What can we use to learn about something in the classroom that may be impossible to bring to school
we can use models to learn
The _________ is made up of the land on earth (rock, soil, sediment, continents, mountains)
geosphere
A lion is an example of a
Producer
Carnivore
Herbivore
Carnivore
you have three ices cubes in a bag. You record its mass to be 5g. You let the ice melt in the bag and you weigh the same bag with the liquid again. Its mass will be:
7g
5g
3g
5g, mass stays the same
What is the ultimate source of energy that drives a food chain?
the sun
What is the role of engineers
They define problems and come up with solutions to help people
When water that collects as droplets on a cold surface when humid air is in contact with it.
Condensation
In a food chain robins eats grasshoppers and grasshoppers eat plants. Explain what would happen if all the grasshoppers died off
1. The birds would die off because they have nothing to eat
OR
2. The grass will increase in population