FOCUS ON PHYSICAL SCIENCE (12)
Focus on K-12 Education pot
... Corporation corporate publication series Corporate publications describe or promote RAND divisions and programs, summarize research results, or announce upcoming events Focus on K–12 Education K–12 education ... planning for education educational equity international education out-of-school time Write to us at education@ rand.org, or visit us online at www.rand.org /education Ma...
5 12 baking chemistry (physical science)
... Cake To get a closer look at the chemistry of baking, let’s examine how a carrot cake is made The main steps to baking any cake are mixing the ingredients and baking them together In most cake ... flour, sugar, salt, baking soda, baking powder, and spices Flour gives the cake structure Sugar helps to make it sweet Salt strengthens the cake batter Baking powder and baking soda m...
3 12 how bikes work (physical science)
... science, the word work has a special meaning Work is done when force moves an object People have invented simple machines to the same amount of work with less force Riding a bicycle is work In this ... tire How Brakes Work Hand brakes rest on both sides of the wheel When you pull the controls, the brakes pinch the wheel This makes friction that slows down the bike wheel caliper br...
3 12 forces and motion (physical science)
... object’s motion changes The harder you push on a cart, the faster it goes! Motion and Combined Forces You know that pushes, pulls, and friction can Lots of forces cause a bike to change its motion ... force What is the difference between constant speed Ann J Jacobs and variable by speed? friction gravity magnetism motion Forces and Motion Would it take more force to be...
3 12 how things move (physical science)
... the object you wish to move How much an object moves depends on how much force you use The greater the force placed on an object, the more the object will move Could you move a wall? Sometimes ... can move quickly going forward, but must slow down to move backward or sideways That object would move at a variable speed Its speed changes as it moves in different directions Force...
4 6 4 the wheels on the bike go round and round (physical science)
... answers to your questions? Write your questions and answers in a chart similar to the one below Questions Answers The Wheels on the Bike Go Round and Round by Laurence Howard One of the vocabulary words ... the back one Why? Making one turn of the pedals equaled one circle of the front wheel The larger the front wheel, the farther you could travel on one...
4 12 how hot (physical science)
... show this radiation This is called thermographic imagery Thermographic images show changes in surface heat Different levels of heat show up as different colors Blue shows coldest area Red shows ... the United States It’s more than 2 04 kilometers (127 miles) long When volcanoes erupt, they can shoot hot lava high into the air In volcanic eruptions, red -hot lava bursts from deep inside Ea...
4 16 on the building site (physical science)
... skyscrapers There are four stages in the construction of a new building In the first stage, the ground is prepared and the foundation is laid Next, workers build the frame of the building Then the frame ... building Let’s see some of the machines we might find on a construction site The can opener is a complex machine Construction Site Construction of new buildin...
4 12 energy from heat (physical science)
... liquid heats up, the particles get the energy they need to move more quickly Energy is in all matter These pictures show heat energy in a computer and a dog Red and orange areas have more heat energy ... off heat The best example is the Sun, which sends out vast amounts of both light and heat This heat energy moves from the Sun to Earth by radiation Radiation, like all t...
