7th grade homework

Learning targets

I can analyze chemical formulas by explaining subscripts and coefficients.

I can write to explain chemical formulas by balancing equations.

Vocabulary:

Chemical reaction

Coefficient

Subscript

Atom

Molecule

Product

Reactants

Bond

Exothermic reaction

Endothermic reaction

 

Look up the chemical formulas for the following, and find out how many atoms are in each molecule.

Bleach, Chalk, Tylenol, Battery Acid, and even Antiperspirant

http://www.chem4kids.com/files/react_intro.html

Study guide: Test on Friday 2-8-2019

What are some examples of insulators?

Thermal insulators are…

Which materials transfer energy better?

What is thermal energy?

What is the law of conservation of energy?

Describe the movement of gas particles, explain why?

How is energy transferred?

Review all the activities done in class

Koala article, thermos, house, hand in water, conductors and insulators.

Which has more thermal energy and why?

All the definitions in your ISN.  Engineering design process, constraints, criteria, prototype

Differentiate between  thermal energy and temperature.