When two or more substances are combined and can easily be taken apart.
mixture.
100
A tuna is an ocean fish that is well adapted to catching small, fast-moving prey. Which of the following adaptations most helps a tuna swim fast to catch its prey?
A. large fins
B. sharp teeth
C. small gills
D. tough scales
What is large fins?
100
A student tested a physical property of a mineral. He rubbed a mineral sample on a piece of white tile. The mineral left a red mark on the tile. He was trying to determine this property of minerals.
What is streak?
100
It takes approximately this amount of time for the Earth to orbit the sun
What is one year (365 1/4 days)?
100
Any organism that relies on another organism to get it's energy
What is a consumer
200
Term for a material that allows electricity to travel through it
What is conductor?
200
Which of the following best represents
one particular stage in a life cycle?
A. a fish swimming
B. a seed sprouting
C. a leaf growing
D. a dog eating
What is a seed sprouting.
200
If a rock could be described as having very small grains of sand in different layers, it would probably be this type of rock.
What is sedimentary?
200
The purpose of a sundial is to show this.
What is time of day?
200
In the water cycle, rain, snow, or sleet falling to the ground is a form of this.
What is precipitation?
300
The term for a material that does not allow electricity to pass through it.
What is insulator.
300
Term for how plants use energy from sunlight.
What is photosynthesis? (when the make their own food)
300
The type of rock formed when hot lava cools.
What is igneous?
300
Judy observed a new moon in the sky on a Tuesday evening. She will need to wait this many days until she sees the next new moon.
What is 28 days?
300
Molten rock that reaches Earth's surface
What is lava?
400
Term for when a liquid changes to a solid.
What is freezing?
400
An organism that breaks down dead organisms for energy.
What is a decomposer?
400
These are frozen, slow-moving rivers of ice that can move about three feet per day down mountain valleys. As they travel, they scrape small particles off of rocks which later helps create new soil.
What is a glacier?
400
The reason why we have different seasons on Earth.
What is Earth orbits the sun on its axis?
400
In the engineering design process, the term used for the rough draft of a new technology being created.
What is prototype?
500
The term for a change that occurs to an objects physical properties.
A physical change.
500
A behavior that an organism inherits
What is an instinct?
500
A naturally occurring, nonliving solid that has a specific chemical makeup and a repeating structure. An example is most gemstones.
What is mineral?
500
The reason why stars and the sun appear to move across the Earth's sky.
What is the Earth is rotating on its axis?
500
The process for moving sediment by wind, moving water, or ice.