Erosion and Weathering
What does the wind carry that causes weathering to rocks?
Sand
How long does it take the earth to orbit around the sun?
365(.25) days
What is a community of interacting organisms and their environment called?
An ecosystem
Smashing a banana: Physical or chemical change?
Physical Change
Which of these natural disasters can humans prevent or eliminate?
A. Tsunamis B. Volcanos C. Humans cannot prevent natural disasters D. Earthquakes
C. Humans cannot prevent natural disasters
Which of these is NOT responsible for weathering rocks?
D. Bugs
What causes the need for timezones?
A. Earth's rotation on its axis B. Earth's orbit around the sun C. sun dials D. shadows
A. Earth's rotation on its axis
Which are examples of non-living parts of an ecosystem?
A. water B. air C. soil D. all of the above
When something burns: physical or chemical change?
Chemical change
Which of these is the best material to use if building a house near a volcano?
A. Metal B. Stone C. Foam D. Wood
B. Stone
What is it called when Earth's surface is broken down into smaller pieces?
weathering
What causes day and night?
A. Earth's orbit around the sun B. Earth's rotation on its axis C. the sun's rotation D. the moon's shadow
B. Earths rotation on its axis
What member of an ecosystem produces oxygen, and also provides homes for animals?
plants
Changes between states of matter are often which?
A. Chemical changes B. Physical changes C. Both D. Neither
B. Physical Changes
True or false: all volcanos occur along plate boundaries
What is the process called that moves small pieces of Earth's surface to another location?
erosion
Why does the sun appear to move across the sky?
B. Earths rotation on its axis
Why are rainforests so important?
They make lots of oxygen
The spoiling of milk is an example of which type of change?
chemical
What are the large moving pieces of rock that make up the Earths outer layer called?
Tectonic Plates
Sunlight can cause ___ leading to cracks in the street.
A. Expansion and contraction B. Lightning C. Chemical Reactions D. Open and Closed Roads
What causes different constellations to be visible from Earth at different times of year?
A. Earth's orbit around the sun
What makes a healthy ecosystem?
A. water B. invasive species C. animals D. balance
D. Balance
How does hydrogen react in a flame test?
A. A pop B. Puts out the flame C. Nothing happens D. Changes color
A. A pop
What is the name pf scientific equipment that measures the size of an earthquake?
A seismograph