Earth
This process breaks rocks into smaller pieces.
What is weathering?
This object provides Earth with light and heat.
What is the Sun?
These are the 4 things animals need to survive.
What are food, water, air, and shelter?
This is the main goal of engineering.
What is solving problems?
This force pulls objects toward Earth.
What is gravity?
This type of erosion moves sand using wind.
What is wind erosion?
This movement of Earth causes day and night.
What is rotation?
This plant feature helps protect it from being eaten.
What are thorns?
This is why one design may be better than another.
What is it works more efficiently or solves the problem better?
This happens when forces are unbalanced.
What is a change in motion?
This environment has more water erosion because it gets a lot of rain.
What is a rainy environment?
This cycle describes how the Moon appears to change shape over time.
What are Moon phases?
These traits help organisms survive in their environment.
What are adaptations?
This is one advantage of a levee compared to a flood wall.
What is it uses natural materials?
This is when an object has the MOST kinetic energy.
What is when it is moving fastest?
This is the MOST likely cause of a hole forming in a rock.
A. Lava cooling
B. Deposition
C. Weathering and erosion
D. Heat and pressure
What is C. weathering and erosion?
This is the type of energy solar panels use to generate electricity.
A. Wind
B. Sunlight
C. Water
D. Heat from Earth
What is B. sunlight?
This is the original source of energy in most ecosystems.
A. Water
B. Soil
C. Sun
D. Animals
What is C. the Sun?
This is the function of an axle in a toy car.
A. Holds the body together
B. Spins the wheels
C. Adds weight
D. Stops movement
What is B. spins the wheels?
This explains why the balloon moved along the string.
A. Balanced forces
B. Unbalanced forces
C. Gravity only
D. Friction only
What are B. unbalanced forces?
This condition would MOST LIKELY cause land to dry up and soil to blow away.
A. Heavy rainstorm
B. Extreme heat and little rain
C. Snowstorm
D. Flooding
What is B. extreme heat and little rain?
This is the MAIN reason solar panels generate more electricity in Phoenix than in Boston.
A. Closer to Earth’s core
B. More sunlight
C. More wind
D. More rain
What is B more sunlight?
These are traits MOST likely inherited by puppies.
A. Catching a ball
B. Sitting on command
C. Fur color and tail length
D. Learning tricks
What is C. fur color and tail length?
This is the BEST way to test which material works best for a flood wall.
A. Build one wall
B. Ask people
C. Compare different materials during floods
D. Guess
What is C. compare different materials during floods?
This condition allows a wind turbine to produce the MOST energy.
A. Low temperature
B. High temperature
C. Slow wind
D. Fast wind
What is D. fast wind?