Atoms rearrange to form new substances, or reactants form products and this process is called?
What is a chemical reaction.
100
Vascular plants are this kind of an organism.
What is a multicellular organism.
100
Every cell needs these 4 resources to stay alive and they have systems to transport these things.
What are water, food, gas exchange and waste disposal.
100
The Sun and all the bodies that orbit around it is called this.
What is the Solar System.
200
When a solute dissolves in a liquid.
What is a solution.
200
These three main particles make up all atoms.
What are protons, neutrons, and electrons.
200
Plants have two kinds of tubes that are transport systems. Name them, what direction they travel, and what they carry.
What are the xylem which carries water from roots to leaves, and the phloem that carries sap from leaves to roots.
200
The sun is made of mainly these two elements.
What are hydrogen and helium.
300
Solutions can be separated by these three methods.
What are filters, evaporation, and magnets.
300
The periodic table is organized by the atomic number. This number represents what?
What is the number of protons in the nucleus.
300
Unlike animals, plants produce their own food. What is this process called and what molecules in the plant does it occur?
What is photosynthesis which occurs in the chlorophyll molecules.
300
This system is responsible for getting energy from food and transfers nutrients into the capillaries.
What is the digestive system.
300
Plants should travel in straight lines, but because of this force, they move around the sun in an orbit.
What is gravity.
400
This is what everything in the world is made up of - the smallest particles of matter.
What are atoms.
400
The periodic table is made up mostly of this type of element. Give the three properties of this.
What are metals which have the properties of malleability, shiny surfaces, good conductors.
400
What are the reactants and products in the process of photosynthesis?
What are the reactants:
CO2 + H20 + Sun >
Products:
C6H12O6 (Sugar) + O2 + H20
400
This organ takes cellular waste from blood cells, is known as the body's filter, and converts waste to urine to store in the bladder.
What are the kidneys.
400
Uneven heating of the Earth's surface is due to how the sun shines on the earth. There is a special name for this current that involves the gain or loss of energy in the molecules (heating and cooling).
What is the convection current?
500
Atoms combine to make these.
What are molecules or compounds.
500
Mixtures of metals are called this. Give one example.
What are alloys.
Ex: Iron + Chromium or Nickel = Steel Fe + Ch or Ni
Copper + Zinc = Brass Cu + Zn
Copper + Tin = Bronze Cu + Tn
500
The process of breaking eown sugar molecules in animal and plant cells is called this.
What is cellular respiration?
500
This system works with the circulatory system to remove CO2 from cellular waste and take in O2 to the heart to go to the rest of the body's cells.
What is the respiratory system.
500
Atmospheric pressure is force applied to the air above you. Air pressure is greater at sea level or the top of a mountain?