How many cells are in the human body
30 trillion
What protects the heart and lungs
Ribs
What is one thing you should always where in the lab on your face
Safety glasses
What is a simple machine
Simple machines have few or no moving parts. They make work, which is the amount of energy that's needed to move an object across a distance, easier for us by allowing us to use less effort,
What are the three sates of matter
solid liquid gas
what is the difference between a human and plant cell
A plant cell is more strudy
What is the excretory system
it is the system that discharge of waste
If a glass breaks what should you do
clean it up with safety gloves and close toe shoe
What is a pully
A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the
What is matter
Matter is a substance that has inertia and occupies physical space. According to modern physics, matter consists of various types of particles, each with mass and size. The most familiar examples of material particles are the electron, the proton and the neutron. Combinations of these particles form atoms.
What is a cell made of
nucleic acids, proteins, carbohydrates, and lipids.
What is main use for the liver
All the blood leaving the stomach and intestines passes through the liver. The liver processes this blood
If a chemical spills what do you do
get a teacher and get the proper equipment to clean it up
What is wheel and axle
The wheel and axle is a type of simple machine used to make tasks easier in terms of manipulating force by applying the concept of mechanical advantage
What happens when liquid turns to a gas
evpartion
What is the main job of the cell
provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions and aid in reproduction
How many system are in the body
Ten major system
What type of shoes to you where in the lab
closed toe shoes
What can you use a simple MACHINE for
include the wheel and axle, pulley, inclined plane, screw, wedge and lever. While simple machines may magnify or reduce the forces that can be applied to them, they do not change the total amount of work needed to perform the
witch sate is packed closely together
solid
What is the main job of the cell wall
The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress. It also allows cells to develop turgor pressure, which is the pressure of the cell contents against the cell wall.
How many bones are in the body
206 bones
what happens if something gets in your eye
emergency eye wash
who made simple machine
philosopher Archimedes
A chemical change is when a paper turns into ash.When a paper gets ripped that is physical change is when you rip a pcie of paper it is still paper