3rd Grade
Science 1
Science 1
What does the word decrease mean?
To lower or to go down
What does adaptation mean?
a physical or behavioral feature of an animal that helps them better survive in their environment
On a hot sunny day, the water puddle seems to have disappeared. This is an example of
evaporation
Movement of the Earth's crust where underground melted rock rises
Volcanic eruption
Give an example of a pull force
tug of war, pulling a wagon up a hill, drawing water from a well, pulling a plug out the wall
Give an example of a push force
closing a door, pushing chair in, rolling a car across the carpet away from you, kicking a soccer ball
A food chain shows
energy moving from one organism to the next
True or False: Lions are producers.
False
CONSUMER
What is a population in an ecosystem?
Members of the same species in the same habitat/ecosystem
Movement of rock and debris down a slope
Landslide
Why is soil important?
It provides support and nutrients for plants to grow
Precipitation means
water falling from the sky in the form of rain, snow, sleet, or hail.
What is a decomposer?
organism that eats dead things
What is a typical animal behavior when it gets cold?
migration or hibernation
Name a natural event that affects the ecosystem
hurricane, tornado, fire, flood or erosion
Sally is making pasta. She turns the stove on and notices the water boiling. This is an example of
liquid to gas
What is a prey animal?
An animal that is hunted by other animals
How do we measure the air temperature?
Thermometer
How do plants get energy?
What does the word dormant mean?
To be inactive - for example a plant during winter or a drought.
What is the force that keeps things on the ground?
gravity
An ice cube melts. This is an example of
solid to liquid
Name a behavioral adaptation.
Behavioral- birds migrate in the winter, hibernation, or chipmunks collecting food
Condensation happpens when
Water cools and condenses, changing from gas to liquid.
What is an example of a decomposer?
Fungus, worm
When water freezes that is when the state of matter changes from
Liquid to a solid
What are the 4 steps in the water cycle?
Any order
condensation, precipitation, evaporation, and ground water/accumulation
Name a physical adaptation.
webbed feet, fur color, pointed beak.
Give an example of a food chain.
Has to be a correct and sensible food chain.