Day 1 Let's Explore! *Recording Chart on Next Slide

*Copy in Science notebook. Which Hits First Objects Hypothesis Results BB vs G BB vs W BB vs PP BB vs T G vs W G vs PP G vs T W vs PP W vs T PP vs T

Day 2: What Makes Objects Fall at the Same Rate? Yesterday before we started our experiment some of you believed that the heavier objects would fall faster than the lighter ones. After preforming or testing this idea we realized that objects fall at the same rate. Galileo was the first person to test this idea. Galileo tested this reasoning the same way we did, by dropping objects with different weights off a tall tower. Galileo concluded that objects accelerate steadily as they fall and the objects weight and mass does not affect how fast it accelerates. The reason for this is Gravity. Gravity: The attraction between the mass of Earth and the mass of an object. Click Here to Learn More

What Makes Objects Fall at the Same Rate? *Objects with a larger mass are pulled on by gravity with more force, but they also have more inertia. *Remember inertia is an objects tendency to resist a change* * Because of this extra resistance it offsets the greater pull of gravity. *Therefore, objects with greater mass fall with the same acceleration as less massive objects.

What about air, does it affect falling objects? If you dropped a solid rubber ball and a feather from the same height and same time, which one would hit the ground first? THE BALL HITS FIRST

What about air, does it affect falling objects? So why did the ball hit first? The first thing we need to understand is that both objects are passing through the air. Air offers resistance to the motion of objects that pass through it. (This is known as Air Resistance, which is a type of friction.) *The air is providing more resistance to the feathers motion than the ball. As a result the feather is slowed more than the ball. Therefore the ball hits the ground first. *Remember though that air resistance is also acting on the ball its just to small to matter.

What is the acceleration of falling objects? Whenever we talk about gravity pulling on a object we give it a special name, weight. Weight: The force of gravity between Earth and an object. It is an objects weight that makes it accelerate to the ground. You can determine an objects weight in newtons by multiplying its mass by 9.8.

How can Gravity be Universal? Newton discovered that Earth's gravity held the moon in orbit, so he applied his idea to the planets. Newton decided that as mass increases, the force of gravity increases. Newton aslo released that distance could also change the force of gravity. This concept help Newton come of with a new law known as Newton's Law of Universal Gravitation. Sir Isaac Newton was the first person to publish a complete description of inertia. Newton's Law of Universal Gravitation: The force of gravity between two objects increases with mass of objects and decreases with the distance between them. So for light objects the force of gravity is weak. For large objects like planets the force of gravity is greater. Click Here to Learn More

How can Gravity be Universal? Newton's Law of Universal Gravitation: The force of gravity between two objects increases with mass of objects and decreases with the distance between them.

Does the weight of an object really matter? Sometimes weight can cause problems. How would it feel to ride up a hill on an old steel bicycle compared to a new titanium one? Why? Also added weight can provide greater friction or traction which can make pushing off easier. Think about running on ice, is it easy or hard to get moving? Why?

So Let's Review? * What is Newton's Law of Universal Gravitation? * Which has a greater force of gravity, larger or smaller objects? * What is gravity? Directions: Complete questions 1-14 on you're Lesson Outline.

Day 3: So Let's Review? * What is Newton's Law of Universal Gravitation? * Which has a greater force of gravity, larger or smaller objects? * What is gravity?

Graphs in Science, What do they show? When it comes to Science graphs are used all the time. There are different types of graphs that demonstrate or explain different concepts. The graph that we will be focusing on is a line graph, more explicitly graphs that show a change in position over a period of time.

Graphs in Science, What do they show? There are two things we need to analyze when looking at graphs. One is the X-axis and the other is the Y-axis. The X-axis is represented as a horizontal line. The Y-axis is represented as a Vertical Line. So Let's See What We're Talking About: Y-Axis X-axis

Graphs in Science, What do they show? When we look at graphs in science we tend to notice a few things. The X-axis usually represents TIME. Where the Y-axis usually represents DISTANCE or POSITION. Y-Axis X-axis

Graphs in Science, What do they show? When analyzing the graph, especially the line, there are a few things we need to look for. One is if there is a straight and horizontal line that means that an object has stopped moving. Y-Axis X-axis

Graphs in Science, What do they show? When analyzing the graph, especially the line, there are a few things we need to look for. Another thing is if a point or part of the line touches the X-axis that object is back at it's original starting point or 0. Y-Axis X-axis

Graphs in Science, What do they show? Another thing we might see when we are comparing two or more lines, is that some lines tend to be steeper incline or at a greater angle. The steeper incline demonstrates an object increasing speed/moving faster. Y-Axis X-axis

Graphs in Science, What do they show? Another thing we tend to see are Constant lines, increasing the same rate. As you can see this line is moving 10 miles every 10 minutes. Y-Axis X-axis

Let's See Some Examples?

Day 5 BODY SYSTEMS REVIEW!

Cardiovascular System The cardiovascular systems function is to pump blood and deliver it to the rest of the body. The cardiovascular system is most closely related to the circulatory system. Made up by: ~Heart Circulatory System The circulatory system is responsible for transporting blood, nutrients, and gases through the body. CIRCULATORY SYSTEM = TRANSPORTS/MOVES The circulatory system is made up by: ~Heart ~Blood vessels

Respiratory System The respiratory system is responsible for bringing in oxygen and ridding our bodies of carbon dioxide, which is know as breathing. The circulatory system helps the respiratory by transporting oxygen to cells and removing carbon dioxide. The respiratory system is made up by: ~Lungs ~Diaphragm ~Nose ~Mouth Skeletal System The skeletal system is responsible for protection, shape, and support. The skeletal system creates red blood cells which the circulatory system transports. The skeletal system helps the body move. The skeletal system is made up by: ~Bones ~Cartilage

Muscular System The muscular systems is responsible for making the body move. The muscular system works very closely with the other systems. The muscular system relies on the digestive for energy. It relies on the respiratory to help provide it with the oxygen the muscles need. The cardiovascular and circulatory system pump and transport the blood to the muscles which they also need. The muscular system is made up by: ~Muscles Digestive System The digestive systems function is to break down food into nutrients. The digestive system also helps move the nutrients into the blood stream. The nutrients that are made by the digestive system become energy that the body needs to function. There are two systems that the digestive system works with the most. The digestive system is made up by: ~Mouth ~Stomach ~Teeth ~Esophagus ~Intestines

Nervous System The nervous systems function is to send signals from and to the brain to the rest of the body through nerves. The nervous system tells the body what to do. Made Up of: ~Brain ~Nerves