The longest amount of daylight is on the first day of summer in the Northern Hemisphere
What is June 21?
100
Types of energy which we can never use up are this type of resource
What is renewable?
100
Gravity, friction, and magnetism
What are forces in nature?
100
The specific environment that meets an organism’s needs
What is a habitat?
100
The amount of mass in a known volume of an object
What is density?
200
The shortest amount of daylight is on the first day of winter in the Northern Hemisphere
What is December 21?
200
The energy of moving particles
What is heat energy?
200
The force that pulls all objects in the universe toward one another
What is gravity?
200
All the populations and nonliving things interacting in an environment
What is an ecosystem?
200
A property that can be observed, measured, or changed without changing the substance itself
What is a physical property?
300
The first day of winter in the Southern Hemisphere
What is June 21?
300
Energy of position
What is potential energy?
What is potential energy?
300
A change of motion
What is acceleration?
300
The populations that live in the same place at the same time
For example, mallard ducks interact with the insects they eat. They also interact with raccoons that try to steal their eggs.
What is a community?
300
A form of matter that has its own volume but does not have a shape of its own
What is a liquid?
400
The farthest planet from the sun
What is Neptune?
400
Material that that does not carry electrons
What is an insulator?
400
When one object acts on a second object, the second object also acts on the first object
What are forces always acts in pairs?
400
Organisms that get energy by eating other organisms
What are consumers?
400
A substance whose molecules contain atoms of different elements
What is a compound?
500
The force that keeps the planets in their orbit
What is gravity?
500
Thermal energy stored as a form of potential energy
What is chemical energy?
500
The property of matter that keeps an object moving in a straight line or keeps it at rest
What is inertia?
500
Different pathways for the flow of energy – Overlapping food chains
What is a food web?
500
A mixture with one substance spread out evenly in another substance