Category: Grade Five Science

Effect of Friction on Moving Objects

This post will be similar to the introductory post on friction, but will focus specifically on friction as it relates to moving objects. We know that friction is an opposing force. When an object is at rest, the force applied to begin movement must be stronger than the opposing frictional force. Once this condition has…...

Heat Regulation in the Body: Part 3

Be sure to check out part one and part two before diving into this post. The skin acts as the primary barrier for controlling heat loss from the body. The skin controls escape of heat from the body by regulating the amount of blood that flows towards the skin and by sweat. Blood travelling from…...

Heat Regulation in the Body: Part 2

Before reading this post be sure to check out Part One. Now we all know that we have lots of nerves and organs in our bodies right? Well did you know that these nerves and organs played a role in heat regulation? The nerves, muscles, blood vessels and sweat glands all work together to accomplish…...

Heat Regulation in the Body: Part One

Whether an individual is covered up because they are extremely cold or sweating because of extreme heat, whenever a doctor takes their temperature, the thermometer will show that in both situations the body temperature will be the same. The body has the ability to maintain the same temperature under different conditions. Mammals and birds have…...

Heat Transmission

Heat is the flow of energy from a warm object to a cooler object. All substances contain heat energy. Heat energy is the result of the movement of tiny particles in substances. Heat can be transferred like this by three methods: conduction, convection and radiation. Conduction In this method heat energy is transferred through one…...

Sources of Heat Energy

Recall that energy is defined as the ability to do work. The different kinds of energy are: mechanical, heat, electrical, chemical, magnetic, solar and light energy. The one we will focus on in this post is heat energy. There are many sources of heat energy. Some of these sources include the different kinds of energy…...

Human Actions that Negatively Affect Climate and Weather

Climate change has been occurring on earth over time periods that vary from decades to hundreds of thousands of years. That type of climate change is due to natural causes. However, in recent times, scientists believe that the recent changes in climate have been due to human activity.The human influences on climate change result from…...

A Balanced Diet

Watch this video below! http://www.youtube.com/watch?v=8zt-KYP_4vg So based on what we have learned so far, a balanced diet should include different aspects of each of the food groups throughout the day. Read the example menu below. Menu Breakfast Cornflakes with regular milk and a side of fruit. Lunch A chicken sandwich with a slice of cheese…...

Nutrients and What They Supply in the Body

Nutrients are substances that nourish the body. When you eat, food is broken down into these nutrients. It may be easier to think about nutrients as substances that keep the body alive and healthy. Nutrients are responsible for: Growth Repair and maintenance of body parts Regulation of body function, such as maintaining a constant body…...

Heat Energy Worksheet

Review your notes and complete the questions below. 1. Fahrenheit and Celsius are _____________. a. temperature scales b.layers of ozone c. isobars d. layers of clouds   2.  At what temperature does water freeze? a. 100 degrees b. 273 K c. 32 F d. 99 degrees   3. ______________ is the movement of a liquid…...

Nutrition Quiz–December 3, 2013

Review your notes on Nutrition, then complete the quiz below. Remember the quiz is not timed. Take your time and do your best! If you need explanation or clarification on anything don’t hesitate to comment!!     Read more →...

Sources of Energy and their Corresponding Energy forms

Take your time, read the questions and then attempt to answer. Do your best!   Please complete the worksheet below: 1. The sun gives off energy in the form of light and heat. This is called ________. a. Heat energy b. Solar energy c. Wind energy d. Light energy   2. Consider the statement: “Energy…...