Earth and Space (S.C.4.E.5.4)
All planets revolve around_________
the sun
What type of rock is formed by lava and molten rock?
igneous
What type of resources won't run out if we are careful?
Renewable resources
Seed production is called....
fertilization
What are the two main purposes of the root?
The root holds the plant in place and absorbs water and nutrients from the soil.
It takes 365 days for planet earth to_______
Make one revolution around the sun.
What type of rock is formed by pieces of rock and other rocks and fossilized organisms compressed over time.
sedimentary
What type of resources will be used up faster then they can be replaced?
Non-renewable resources
What is the reproductive organ of the plant?
The flower. This includes this includes the staMEN, pistil, ovary, petals, sperm and egg.
What are the 2 main purposes of the stems of a plant?
provides structure and support of a plant and allows for the absorption and transportation of water and nutrients in the soil.
Our earth like other planets is tilted on its axis and rotates around that axis. How long does one rotation around the axis take?
It takes 24 hours, causing day and night.
How is metamporphic rock is formed? Need 2 answers to be correct.
heat and pressure
What is erosion?
The movement of rock by gravity, wind, water, or ice.
What are the 4 stages included in complete metamorphosis? Hint: butterflies, moths and beetles all go through these stages.
egg, larva, pupa and adult
What is the main purpose of the fruit of a plant?
to disperse the seed so that new plants can grow OR to protect the seeds.
Why does the sun appear brighter and larger than any other star?
It is closes to the earth.
What is the difference between a rock and a mineral?
Rocks are mixtures of minerals. Scientists classify rocks by how they are formed, minerals are identified by their properties.
What is physical weathering?
the breaking down of rock by wind, water, ice, temperature change, or plants.
What are the 3nstages of incomplete metamorphosis?
Hint: grasshoppers, dragonflies, and cockroaches go through these stages.
egg, lymph, adult
What is the purpose of a flower?
To attract birds and bees in order to spread pollen for fertilization and reproduction.
What 3 things does a galaxy primarily consist of?
gas, dust and many stars
*** a galaxy may also consist of planets, moons, asteroids and comets.
What are the 5 properties of minerals?
hardness, color, luster, cleavage and streak color
What are the 3 types of renewable resources?
hydropower, solar power, and geothermal energy
What is photosynthesis?
turning sunlight into energy
What are the 2 main purposes of the leaves or needles?
photosynthesis and breathing of the plant