Convert 5.2 kilometers to meters.
5,200 meters
What is the correct order of cosmic structures from smallest to largest? Starting from planet
Star → Solar System → Galaxy → Universe
What are the two main types of natural resources, and how are they different?
Renewable resources, Nonrenewable resources
How does plastic pollution impact marine life?
Plastic pollution harms marine life by entangling animals, being mistaken for food
What is the difference between a solar eclipse and a lunar eclipse?
A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking sunlight from reaching Earth.
lunar eclipse happens when the Earth passes between the Sun and the Moon, causing Earth’s shadow to cover the Moon.
Convert 250 grams to kilograms.
0.25 kilograms
Which type of electromagnetic wave has the highest energy and shortest wavelength?
Gamma rays
Why are fossil fuels considered nonrenewable resources?
Their formation takes millions of years, while humans consume them far faster.
What is ocean acidification, and what causes it?
Ocean acidification occurs when excess carbon dioxide (CO₂) dissolved the hydrogen lowering ph.
Where are the hottest and brightest stars located on an HR Diagram?
At the top left corner, where blue giant stars are found.
Convert 3.75 liters to milliliters.
3,750 milliliters
What determines how a star will evolve and what it will become at the end of its life cycle?
The star’s initial mass
Give three examples of renewable resources
Solar energy, Wind energy,Water (hydropower).
How does overfishing affect ocean ecosystems?
Overfishing disrupts food chains, depletes fish populations, and threatens the balance of marine ecosystems.
What Moon phase occurs when the entire side facing Earth is fully illuminated?
Full Moon
Convert 120 centimeters to meters.
Answer: 1.2 meters
What causes a meteor shower to occur?
Meteor showers happen when Earth passes through the debris left behind by a comet.
how does overuse of nonrenewable resources impact the environment?
Overuse can lead to environmental problems like air and water pollution habitat destruction and climate change due to excessive greenhouse gas emissions.
Why is coral bleaching a major concern for marine biodiversity?
Coral bleaching occurs when corals expel the algae living in their tissues due to stress from rising ocean temperatures.
What causes the different phases of the Moon?
The changing angles at which we see the sunlit portion of the moon as it orbits the Earth.
Convert 0.85 kilograms to grams.
850 grams
List the planets in order from the Sun outward.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What are the steps of the water cycle
1. evaporation
2. transpiration
3. condensation
4.precipitation
5.collection
What are some ways humans can help reduce ocean pollution?
People can help by reducing plastic use, recycling properly, supporting sustainable seafood choices, reducing carbon emissions, and participating in beach cleanups.
What two main characteristics of stars are compared on an HR Diagram?
Temperature and Brightness.