Matter & Chemical Reactions
This is anything that has mass and takes up space.
What is matter?
Organisms that make their own food.
What are autotrophs (producers)?
The main source of energy for almost all ecosystems.
What is the Sun?
The Moon appears bright because it does this.
What is reflect sunlight?
A push or a pull.
What is force?
Ice melting is an example of this type of change.
What is a physical change?
The green pigment plants use to absorb sunlight.
What is chlorophyll?
A nonliving factor in an ecosystem.
What is an abiotic factor?
Earth's axis is tilted by approximately this many degrees.
What is 23.5°?
Newton's First Law is often called the Law of this.
What is inertia?
This law states that matter cannot be created or destroyed during a reaction.
What is the Law of Conservation of Mass?
The two products of photosynthesis.
What are glucose and oxygen?
All the red foxes living in one forest make up this.
What is a population?
The Moon phase when the entire lit side is visible from Earth.
What is a Full Moon?
A student pushes a tree with 10 N of force. The tree pushes back with this force.
What is 10 N?
A graduated cylinder is used to measure this.
The process that releases energy from food.
What is cellular respiration?
Grass → Rabbit → Fox is an example of this.
What is a food chain?
The event that occurs when the Moon passes through Earth's shadow.
What is a lunar eclipse?
Calculate the force: Mass = 4 kg, Acceleration = 3 m/s².
What is 12 N?
In a chemical reaction that begins with 25 g of reactants, the products will have this total mass.
What is 25 grams?
An organism that cannot make its own food is called this.
What is a heterotroph?
A symbiotic relationship where both organisms benefit.
What is mutualism?
The reason seasons occur on Earth.
What is Earth's axial tilt?
The force that keeps planets in orbit around the Sun.
What is gravity?