Chemistry
Physics
Ecology
Earth and Space
100
What's the first element on the periodic table?
A: Helium
B: Hydrogen
C: Oxygen
D: Carbon
B: Hydrogen
100
Modified true or false
Lightning is current electricity
False
Lightning is static electricity
100
What is an omnivore?
A: An animal that eats plants
B: An animal that eats animals
C: An animal that breaks down dead animals
D: An animal that eats plants and animals
D: An animal that eats plants and animals
100
What planet is the fifth planet from the sun?
A: Saturn
B: Jupiter
C: Uranus
D: Mars
B: Jupiter
200
The element ______ is used in our everyday lives in the form most used as a wire.
Copper
200
What is NOT a renewable energy source?
A: Solar
B: Nuclear
C: Hydroelectric
D: Tidal
B: Nuclear
200
Name at least one type of sphere in this diagram:
Lithosphere, Hydrosphere, Atmosphere
200
The space spinoff called _________ _____ is used most often inside beds for more comfort and used in our everyday lives.
Memory Foam
300
What group is this element in?
Alkaline Earth Metals
300
If an object has more electrons than protons, it is _______ charged.
Negatively
300
Deforestation, fossil fuel combustion, industrial activities, and agriculture are all factors of _______ _______.
Climate Change
300
What would happen if the sun disappeared?
The Earth would leave orbit, and become dark, cold, and inhabitable.
400
Explain why carbon is one of the most needed elements to survive.
Carbon is essential for survival because it forms the basis of organic compounds, stores energy, and plays a vital role in the carbon cycle, supporting life on Earth.
400
Which is more expensive, alternating current, or direct current and why?
Alternating Current
AC is usually costlier than DC because it requires more equipment like transformers and experiences greater power losses during transmission, resulting in higher overall expenses.
400
Explain how we can sustain ecosystems
Protecting natural habitats, biodiversity, and responsibly utilizing resources to prevent depletion and maintain ecosystem balance.
400
Modified true or false
Space exploration causes no harm to the Earth.
False
Rocket launches cause pollution and electronic waste to pour on the Earth