Ecosystems and relationships
What is a food chain?
Group of organisms linked in order of the food they eat, from producers to consumers, and from prey, predators, scavengers, and decomposers.
Name two separation techniques in science for separating mixtures?
Distillation, Filtration, Evaporation ,Magnetism ,Sedimentation ,Extraction, Fractional distillation.
When water freeze what does it turn into?
Ice
Who was the first man to walk on the moon and from what country?
American astronaut Neil Armstrong.
what is force?
The push or pull on an object with mass causes it to change its velocity.
what is a food chain?
A food chain describes how energy and nutrients move through an ecosystem.
What is a solute?
A substance that is dissolved in a solution.
What is evaporation?
Evaporation is the process by which a liquid turns into a gas.
How many planets are in the solar system
What does Net force measure?
The sum of all forces acting on an object.
Why do bees dance?
In order to communicate what they've found and where it is.
what is a solution?
A solution, in science, refers to a type of mixture involving two or more substances.
What do you call ice when it melts?
Melting.
what is a solar eclipse?
A solar eclipse happens when the Moon passes between the Sun and Earth, casting a shadow on Earth that either fully or partially blocks the Sun's light in some areas.
Tension force is when an object is being pulled from two different sides. Friction is the resistance one surface has when sliding across another surface.
Name five ecosystems.
What is a solvent?
A solvent is any substance, usually liquid, which is capable of dissolving one or several substances, thus creating a solution.
Name four states of matter
solid,liquid, gas and plasma
How many earth days does it take for mercury to orbit the sun?
It takes 88 days for mercury to orbit the sun.
Name five forces.
Why do animals pupils change?
The evolutionary path of an animal, and the manner in which it hunts for food or defends itself from predators.
What does filtration do?
Filtration is a process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid.
What do you call a gas turning into a solid?
Deposition
What are the phases of the moon?
Name all the forces and if they are contact or noncontact?
Contact Force Force Types Friction, tension, normal force, air resistance, and spring force
Non-contact Gravitational force, electric force, magnetic force, and electromagnetic force.