Matter
What is matter?
Anything that has mass and takes up space.
FREE POINTS!
FREE POINTS!
What is the center of our solar system?
The Sun
What is a habitat?
The natural environment where an organism lives.
What is an ecosystem?
A community of living organisms and their physical environment interacting as a system.
What are the three states of matter?
Solid, liquid, and gas.
What do we call the energy of motion?
Kinetic energy.
The Earth's rotation is caused by ______.
The spinning of Earth on its axis
What do we call the process by which plants make their own food?
Photosynthesis.
How do humans impact the environment?
Through pollution, deforestation, and improper disposal.
What happens to the particles in a solid when it is heated?
They move faster and may change into a liquid.
What is friction?
A force that opposes motion between two surfaces in contact.
What is the order of the planets, starting from closest to the Sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What are the basic needs of living organisms? (Name at least 3!!)
Food, water, air, shelter.
What is an example of a renewable resource?
Solar energy, wind energy, or water.
What is the process called when a liquid turns into gas?
Evaporation.
What is force?
A push or pull on an object.
How long does it take Earth to complete 1 rotation on its axis?
24 hours
What is the role of decomposers in an ecosystem?
They break down dead organisms and recycle nutrients back into the soil.
What are the 3 main steps of the water cycle?
Evaporation, condensation, precipitation
What is the difference between a physical change and a chemical change?
A physical change alters the form of a substance, while a chemical change results in new substances.
How does energy transfer occur?
Energy can transfer from one object to another, like heat from a hot object to a cold object.
What is the difference between weather and climate?
Weather describes the short-term atmospheric conditions (like today's temperature and rain), while climate is the long-term average of weather patterns in a specific area
What is an example of a mammal?
Humans, dogs, and whales.
What is a nonrenewable resource?
Natural substances that are not replenished with the speed at which they are consumed, meaning they have a limited supply