Life Sciences
What is the role of decomposers?
To break down dead organisms, recycling nutrients back into the soil for plants.
What process allows water to enter the atmosphere?
Evaporation
Potential energy
How many planets are there in the solar system?
8 planets
Who was the first human to step foot on the moon?
Neil Armstrong
What is the difference between a plant cell and a animal cell?
Plants cells have cell walls and chloroplasts.
What type of rock forms from heating and pressure?
Metamorphic rock
Who discovered gravity?
Issac Newton
In which galaxy do we live in?
The Milky Way.
What is the biological classification of humans based on their diet?
Omnivore
What is the difference between a food chain and food web?
A food chain shows one direct flow of energy while a food web shows all interconnected feeding relationships.
What gas makes up 75% of the atmosphere?
Nitrogen
Energy is neither created nor destroyed; it only ____.
Transforms
What are the animals without bones called?
Invertebrates
What is natural selection?
The process where organisms better adapted to their environment are most likely to survive and produce offspring.
What type of plate boundary occurs when plates move apart?
Divergent boundary
What is the unit of force called?
The Newton
How long does it take sunlight to reach Earth?
8 minutes
Why do athletes sweat during exercise?
To cool the body through evaporation
What is the main purpose of the vacuole in the plant cell?
It stores water, nutrients, and waste.
What is the first layer of the atmosphere?
The troposphere
A 160 N barbell is lifted.What information is needed to calculate the work done?
The height
What is the amount of gravitational force on the moon
16.6% or 1.62 m/s2
What is the most popular food to eat in space?
Tortillas