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# Natural technology Sort

### Buoyancy

- Lesson plan -

Students will: define buoyancy, explore the concepts behind Archimedes’ principle, investigate how and why the shape of an object can determine whether it floats or sinks.

### Changes of Matter

- Lesson plan -

Students will: understand that some changes of matter are reversible while others are not, understand how water can change from a solid to a liquid to a gas and back, understand some common chemical reactions. ### Changing Motion

- Lesson plan -

Students will: understand that motion is the change in the position of an object which is caused by a force (a push or a pull), recognize speed as a measure of motion and be introduced to friction as a force which causes an object to slow down and stop.

### Characteristic Properties of Matter

- Lesson plan -

Students will: recognize that the characteristic properties of a substance are the same regardless of the sample size, examine several common characteristic properties of matter. - Lesson plan -

Students will understand and compare the three methods of heat transfer (conduction, convection and radiation).

### Conductors and Insulators

- Lesson plan -

Students will: review the parts of a simple circuit, understand the meaning of the conductor and insulator, identify whether particular solids and fluids are conductors or insulators using virtual experiments. ### Density

- Lesson plan -

Students will: understand density, and how to calculate it by dividing mass by volume, compare the density of a variety of objects and substances.

### Electromagnets

- Lesson plan -

Students will: discover how to create electromagnets, how the strength of an electromagnet can be altered by changing elements such as the number of coils or the strength of the electric current, recognize how electromagnets differ from permanent magnets. ### Energy and Work

- Lesson plan -

Students will understand that energy has the ability to cause motion or to create change and that work is done when an object moves a distance or when something undergoes a chemical change.

### Floating and Sinking

- Activity -

Through play students will learn which objects float or sink. ### Food Groups

- Activity -

Students learn about which foods belong to each food group.

### Forces

- Lesson plan -

Learn the different ways that objects can move. Understand that motion is the result of a force, understand that a force is a push or a pull, examine how the size of a force and the mass of an object effects motion. ### Forces and Motion

- Lesson plan -

Students will: recognize that a change in speed and direction is caused by a force, understand that a force is a push or a pull, recognize that the greater the force, the greater the change.

### Fruit or Vegetable

- Activity -

Identify and categorize fruits and vegetables. ### Graphing Motion

- Lesson plan -

Students will: learn to graph motion, interpret motion graphs of distance vs. time, velocity vs. time, and acceleration vs. time.

### Gravity

- Lesson plan -

Students will: understand that all objects exert a gravitational pull on each other, understand that the mass of an object and its proximity to another object will increase the strength of gravitational pull, understand the role gravity plays on Earth.