Matter
This has mass and takes up space.
What is: matter
This is stored or released.
What is: energy
A mixture is made up of these.
What are: 2 or more substances not bonded together.
True or False: All cells contain the same organelles
False
Organ systems are made of these.
What are: organs
These make up all matter.
What are: atoms
Matter cannot be created nor destroyed, but only this.
What is: transferred
A compound is made up of these.
What are: different atoms or elements bonded together
List 3 organelles that cells can contain.
cell membrane, nucleus, cytoplasm, vacuole, mitochondria, cell wall, lysosome, chloroplast
The brain is the main organ in this system.
What is: Nervous System
The approximate number of elements that make up everything.
What is: 92
(any number between 90 and 100 will be accepted)
This never changes in a chemical reaction.
What is: mass or the number of atoms
You can test these to see if a new substance is formed.
What are: properties
True or False: All cells - unicellular and multicellular - have the same needs
True
Name 3 organ systems used when playing sports.
What are: nervous, muscular, skeletal, respiratory, circulatory, excretory, and digestive
Different atoms bonded together make these.
What are: substances or compounds
Atoms break apart and then do this.
What is: join together to form new substances
List 3 properties that can be tested.
What are: solubility, flammability, density, melting point, viscosity
All cells contain these that support the cell’s life processes.
What are: organelles
Organs are made of these.
What are: different tissues
This is what you know a substance by.
What are: properties
Reactants and products must contain the same number of these.
What are: atoms
This is how you know a chemical reaction has occurred.
What is: a new substance is formed or a change in temperature, color, light, smell, gas formed
Cells do this for growth, renewal, and repair
What is: duplicate and separate - Mitosis
Put these into correct order from smallest to largest: organ system, tissue, organism, cell, mitochondria, organ
What is: mitochondria, cell, tissue, organ, organ system, organism