Name the four inner rocky planets.
Mercury, Venus, Earth, and Mars.
Which energy source mainly drives the water cycle?
The sun.
Name the three states in which water exists on Earth.
Solid (ice) Liquid, Gas (water vapor).
I have a negative charge and orbit the nucleus. Who am I?
An electron.
T/F: Natural resources are unlimited.
False.
What two elements make up most of the sun?
Hydrogen and Helium
What type of radiation can cause sunburn?
Ultraviolet light (UV).
T/F: Ice is denser than liquid water.
False.
Which two particles are located in the nucleus?
Protons and neutrons.
What is a renewable resource?
A resource that can be replenished if managed correctly (E. G. water, tree's).
Which planet has a thick CO2 atmosphere and is the hottest?
Venus.
What are three types of solar radiation that reach Earth?
Visible light, Infrared, and ultraviolet light.
What is cohesion?
Water molecules sticking to each other.
What is the symbol for sodium?
Na.
What is one way humans can conserve renewable resources?
Planting trees, water conservation, protecting wildlife habitats.
Where do comets originate?
The Kuiper Belt or Oort Cloud.
Which energy source contributes to ocean currents?
Sun and Earth's internal heat.
Give an example of cohesion in nature.
Water droplets forming on a leaf.
What element has 6 protons and is essential for life?
Carbon.
How does overusing nonrenewable resources affect the environment?
Causes depletion, pollution, and ecosystem damage.
What is the difference between a Meteor, Meteoroid, and a meteorite?
Meteor=streak of light entering earth's atmosphere. Meteoroid=rock in space. Meteorite=rock crashes into earth.
Give one effect of Earth's internal heat on the surface.
Volcanic activity, geothermal energy, tectonics.
How do large bodies of water affect nearby climate?
Absorb heat in summer, release heat in winter - milder temperatures.
What does a subscript in a chemical formula show?
Number of atoms of that element.
What does sustainable development mean?
Using resources to meet current needs while preserving them for the future.