Earth Science
Life Science
Physical Science
Energy & Environment
Random Challenge
100

What layer of Earth is made of liquid iron and nickel?

Outer Core

100

What process do plants use to make their own food?

Photosynthesis

100

What are the vertical columns on the Periodic Table called?

Groups/ Families 

100

Name one renewable energy resource.

Solar

Wind

Hydroelectric

Geothermal

100

Act out convection without speaking.

Teacher approved

200

What process causes weathered rock and sediment to be moved from one place to another?

Erosion

200

What organism breaks down dead matter in an ecosystem?

Decomposer

200

What happens to molecules when heat energy increases?

They move faster

200

Why are solar and wind energy considered renewable resources?

They are naturally replenished over time

200

Draw and label the water cycle in 45 seconds.

Must include at least:

Evaporation

Condensation

Precipitation

300

What is the law called that states younger rock layers are found above older rock layers?

Law of Superposition

300

What happens to available energy as you move up an energy pyramid?

It decreases

300

Is melting an endothermic or exothermic change?

Endothermic

300

Why are fossil fuels considered nonrenewable?

They take millions of years to form

300

A scientist finds identical fossils on two continents separated by an ocean.
Which scientific theory is BEST supports this evidence?

Continental Drift

400

What type of boundary forms when two tectonic plates move apart?

Divergent Boundary

400

What is the relationship between a predator and prey?

The predator hunts and eats the prey

400

When a chemical reaction occurs, what is ALWAYS true?

New substance formed

400

What is stewardship?

Taking care of and responsibly managing the environment

400

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

500

A fossil of a tropical plant is discovered in Antarctica. What does this most likely support?

Continental Drift / Plate Tectonics

500

An invasive species enters an ecosystem and rapidly reproduces. Predict one possible effect.

Native populations decrease

Competition increases

Food webs become disrupted

500

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

500

An area near a lake develops large amounts of algae growth. Predict one environmental effect.

Oxygen levels decrease

Fish may die

Water quality worsens

500

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.

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