you use your senses to observe. Things it can do alone. Does not create NEW substance
What is physical properties
100
smallest particle of an element that has the chemical properties of that elements
What is atom?
100
three states of matter
What is solid, liquid and gas
100
process by which plants ,known as producers make their own food by using energy from the sun.
What is photosynthesis?
100
three parts that are in a atom
What is protons, neutrons and electrons
200
combination of two or more substances that can be separated by physical means
What is mixtures
200
tool that scientists use to see atoms and molecules
What is electron microscope?
200
matter that goes from solid to liquid
What is melting
200
These are important to vascular plants because they transport water, food, nutrients and air
What is the stem?
200
greek word that means mouth
What is a stomata?
300
a substance made up of two or more elements that are chemically combined.
What is compound
300
a substance made up of two or more elements that are chemically combined
What is compounds?
300
matter that goes from liquid to gas
What is evaporating
300
This part of the vascular plant breathes in carbon dioxide and releases oxygen
What are the leaves?
300
name the atomic number for carbon
What is 6
400
which action will result in a product with new chemical properties
A. shredding newspaper
B. breaking a mirror
c. cutting wood
d. popping popcorn
D.
400
a particle made up of a group of atoms that are chemically bonded
What is a molecule?
400
matter that goes from gas to liquid
What is condensing
400
the woody tube tissue which carries water and minerals from the soil up to the plant in parts such as the stem, leaf and flower
What is xylem?
400
lightest element is
What is hydrogen
500
Following is an evidence of _______took place: bubbles, turns cloudy, heat, color changes, changes in smell or taste and light
What is chemical?
500
a change in arrangement of the atoms or molecules of two or more substances that come into contact with each other. This rearrangement causes one or more new substances to come into being
What is a chemical reaction ?
500
water bottle leaks from the outside. This happens because..
What is condensation?
500
the tube issue which carries sugars and other nutrients from the leaves through the stem and down the root.