Physical Science
Type of metal that is attracted to a magnet
What is iron?
How does the decomposition of plant and animal matter help soil?
It adds nutrients to the soil.
Owen 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 hardness based on the streak?
It takes approximately this amount of time for the Earth to orbit the sun
What is one year (365 1/4 days)?
Why do most animals migrate?
To find more food.
Term for a material that allows electricity to travel through it
What is conductor?
Which of the following best represents one particular stage in a life cycle? A. a fish swimming B. a seed sprouting C. a butterfly flying D. a dog eating
B. a seed srpouting
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?
Why does the sun appear so large to us on Earth?
It is a medium-sized star, but is relatively close to Earth.
In the water cycle, rain, snow, or sleet falling to the ground is a form of this.
What is precipitation?
A student hears the sound of a bell. This carries the sound of the bell to the student.
What is vibrating air/vibration?
Term for how plants use energy from sunlight.
What is photosynthesis? (when the make their own food)
The type of rock formed when hot lava cools.
What is igneous?
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?
Molten rock that reaches Earth's surface
What is lava?
Term for when a liquid changes to a solid.
What is freezing?
What is the main purpose of:
roots?
stem?
leaves?
roots: hold the plant up, support it and get nutrients
stem: carries water and nutrients from soil
leaves: absorb light and carbon dioxide to help with photosynthesis, release oxygen
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?
What does the Earth do that causes day and night?
What is Earth rotates on its axis?
A living thing, like grass, trees, and plants, that can make their own food through photosynthesis.
What is a producer?
Term for what happens when you put two like poles, like on a magnet, near one another.
What is repel?
A behavior that an organism is born with
What is inherited behavior/instinct
Weathering and erosion over millions of years.
The reason why stars and the sun appear to move across the Earth's sky.
What is the Earth is rotating on its axis?
The process for moving sediment by wind, moving water, or ice.
What is erosion?