What layer of Earth is made of liquid iron and nickel?
Outer Core
What process do plants use to make their own food?
Photosynthesis
What are the vertical columns on the Periodic Table called?
Groups/ Families
Name one renewable energy resource.
Solar
Wind
Hydroelectric
Geothermal
Act out convection without speaking.
Teacher approved
What process causes weathered rock and sediment to be moved from one place to another?
Erosion
What organism breaks down dead matter in an ecosystem?
Decomposer
What happens to molecules when heat energy increases?
They move faster
Why are solar and wind energy considered renewable resources?
They are naturally replenished over time
Draw and label the water cycle in 45 seconds.
Must include at least:
Evaporation
Condensation
Precipitation
What is the law called that states younger rock layers are found above older rock layers?
Law of Superposition
What happens to available energy as you move up an energy pyramid?
It decreases
Is melting an endothermic or exothermic change?
Endothermic
Why are fossil fuels considered nonrenewable?
They take millions of years to form
A scientist finds identical fossils on two continents separated by an ocean.
Which scientific theory is BEST supports this evidence?
Continental Drift
What type of boundary forms when two tectonic plates move apart?
Divergent Boundary
What is the relationship between a predator and prey?
The predator hunts and eats the prey
When a chemical reaction occurs, what is ALWAYS true?
New substance formed
What is stewardship?
Taking care of and responsibly managing the environment
A population of rabbits in an ecosystem suddenly increases. What is the MOST likely long-term effect if resources become limited?
Competition among rabbits will increase
A fossil of a tropical plant is discovered in Antarctica. What does this most likely support?
Continental Drift / Plate Tectonics
An invasive species enters an ecosystem and rapidly reproduces. Predict one possible effect.
Native populations decrease
Competition increases
Food webs become disrupted
A student combines two clear liquids in a beaker. The beaker becomes warm, bubbles form, and a white solid appears.
Which statement BEST explains what happened?
A chemical reaction occurred because new substances were formed
An area near a lake develops large amounts of algae growth. Predict one environmental effect.
Oxygen levels decrease
Fish may die
Water quality worsens
A town wants to build a new power plant. The choices are coal, solar, or hydroelectric.
Explain: 1. Which choice would have the least environmental impact 2. One advantage 3. One disadvantage
Solar or hydroelectric usually have less pollution than coal. Answers may vary with evidence and reasoning.