This place is home to planets, stars, asteroids, and moons.
100
What are the three states of matter?
The three states of matter are solid, liquid, and gas.
100
How can wind speed be measured?
By an anemometer.
100
What do plants need in order to survive?
Sun (light), carbon dioxide, water and food.
100
What is an ecosystem?
A community made up of living and nonliving things that interact with each other.
200
What is the sun’s importance in the solar system?
It gives heat and light for living things.
200
How does water change from a solid to a liquid?
Water can change from a solid to a liquid when the substance hits its melting point which is 0 Degrees Celsius, it begins to melt.
200
What causes wind?
Earths surface is heated unevenly; it is the moving air on the surface of the earth.
200
What are the parts of a plant?
Roots, stem, and leaves
200
How are habitats different?
They meet the needs of different organisms
300
What causes day and night?
The rotation of Earth on its axis causes day and night.
300
What are the properties of matter?
There are three major properties of matter. They are mass, volume, and density.
300
What are clouds made of?
Millions of little water droplets, dust, and smoke particles.
300
How do plants give off oxygen?
They take in carbon dioxide and then release oxygen.
300
Why do living things need the sun?
Because without it there would be no rain or plants for animals to eat.
400
What is the difference between rotation and revolution?
A rotation is the spinning of a planet or moon on its axis, a revolution is one complete trip of a planet around the sun.
400
What is a physical change?
Physical change is when changing from one form to another form without turning into a new substance.
400
What are the physical properties of gases?
Have no definite volume, have no definite shape, and move freely in all directions.
400
What are the parts of a flower?
The pistil, ovary, petals and stamen.
400
What are the three types of consumers?
Herbivores, carnivores, omnivores
500
How does the earths place in space affect living conditions that sustain life?
The gravitational pull keeps us on the ground with out crushing us. It has oxygen and it traps the suns good rays to keep us warm.
500
How do molecules move in different states of matter?
The particles in solids are close together and do not move around much. The particles in a liquid move more freely than the particles in a solid. The particles in gases move freely in all directions.
500
When do clouds form?
When water vapor in the atmosphere condenses and changes to tiny droplets of liquid water.
500
What are the parts of a seed?
The embryo, seed coat, and food store.
500
What is a food web?
A food web is an overlapping food chain that forms a food chain in an ecosystem