The Sun and Solar System
The sun's light ____ ____ _____.
b) orbits the sun
c) makes life possible
d) makes gravity strong
c) makes life possible
A system of connected food chains.
a) Ecosystem
b) Food Web
Food web
Why are rocks worn down over hundreds of years?
a) beaches
b) weathering and erosion
b) Weathering and erosion
All matter is made up of _____.
a) gravity
b) earth
c) atoms
d) producers
atoms
What makes air pollution: Cars or bikes?
Cars
The sun is too bright to look at, so we use ________ to look at it.
a) sunlights
b) solar flares
c) sunspots
d) telescopes
d) telescopes
an organism that uses energy and matter from the environment to make its own food molecules.
a) food
b) producer
c) energy
d) consumer
producer
Weathering happens over a _______ period of time.
b) long
long
Is breaking a pencil a physical or chemical change?
physical change
What do greenhouse gases do?
a) Make the Earth cooler.
b) Make the Earth hotter.
b) Make the Earth hotter.
What is a sudden outburst of energy from the sun's surface?
a) telescope
b) solar flare
c) sunspot
b) solar flare
The surroundings or conditions in which a person, animal, or plant lives or operates.
a) organism
b) environment
c) abiotic
d) biotic
environment
When a chemical change happens during weathering, it is an example of:
a) physical weathering
b) chemical weathering
c) biological weathering
All matter is made up of atoms. One or more atom is a ________.
a) molecule
b) gravity
c) atom
molecule
What is the layer of gas that surrounds the Earth?
a) atmosphere
b) gravity
c) clouds
atmosphere
Solar systems are _____ __ ________ ___ _____.
a) where planets go.
b) groups of planets and stars.
c) gravity.
b) groups of planets and stars.
Tending to spread prolifically and harmfully.
a) food web
b) ecosystem
c) invasive
d) native
Invasive
Erosion changes Earth's landscape by:
a) Causing water to flow.
b) Moving mud, plants and rocks.
c) Growing plants and trees.
b) Moving mud, plants and rocks.
Digesting food is an example of a ______ change:
a) physical
b) chemical
chemical
a) make plants grow
b) make people sick
b) make people sick
What is almost three quarters of Earth covered in?
a) grass
b) land
c) water
d) air
c) water
A species that is new to a population and harms the population.
a) biotic
b) non-native
c) species
non-native
When humans or animals change the landscape, it is an example of:
a) chemical weathering
b) biological weathering
c) physical weathering
b) biological weathering
Is boiling water a physical or chemical change?
physical change
Climate change is:
a) global changes in weather throughout continents
b) weather differences
c) regional differences
d) sun and rain
a) global changes in weather throughout continents