Warm Up 02/25 Practice CRCT Question

Suppose you had four spoons the same size and shape made out of glass, plastic, steel, and wood. Which spoon handle would get hot the quickest when the spoons are placed in a pan of hot water?A. the glass spoonB. the plastic spoonC. the steel spoonD. the wooden spoon

Closing 02/25Practice CRCT Question

Which of these is not a form of energy?A. electrical B. light C. HeatD. friction

Warm Up 02/26Review GPS Standards

S8P1. Students will examine the scientific view of the nature of matter

in the universea. Distinguish between atoms and molecules. b. Describe the difference between pure substances (elements and compounds) and mixtures. c. Describe the movement of particles in solids, liquids, gases, and plasmas states. d. Distinguish between physical and chemical properties of matter as physical (i.e., density, melting point, boiling point) or chemical (i.e., reactivity, combustibility). e. Distinguish between changes in matter as physical (i.e., physical change) or chemical (development of a gas, formation of precipitate, and change in color). f. Recognize that there are more than 100 elements and some have similar properties as shown on the Periodic Table of Elements. g. Identify and demonstrate the Law of Conservation of Matter.

S8P2. Students will be familiar with the forms and

transformations of energy.• a. Explain energy transformation in terms of the Law of

Conservation of Energy. • b. Explain the relationship between potential and kinetic

energy. • c. Compare and contrast the different forms of energy (heat,

light, electricity, mechanical motion, sound) and their

characteristics. • d. Describe how heat can be transferred through matter by

the collisions of atoms (conduction) or through space

(radiation). In a liquid or gas, currents will facilitate the

transfer of heat (convection).

S8P3. Students will investigate the relationship between force, mass,

and the motion of objects.

• a. Determine the relationship between

velocity and acceleration. • b. Demonstrate the effect of balanced and

unbalanced forces on an object in terms of

gravity, inertia, and friction. • c. Demonstrate the effect of simple machines

(lever, inclined plane, pulley, wedge, screw,

and wheel and axle) on work.

S8P5. Students will recognize the characteristics of gravity,

electricity, and magnetism as major kinds of forces acting in nature.

• a. Recognize that every object exerts gravitational force on

every other object and that the force exerted depends on

how much mass the objects have and how far apart they are. • b. Demonstrate the advantages and disadvantages of series

and parallel circuits and how they transfer energy. • c. Investigate and explain that electric currents and magnets

can exert force on each other.

Closing 02/26

Test Reflection Question:

Congratulations!!!!! You just completed half of the Cobb County Benchmark Test. Take a deep breath and think about which questions you knew and which ones made you guess. Write down which topics gave you trouble. Was it matter? Energy? Force? Motion? Electricity? Or something else?

Warm Up 02/27Review GPS Standards

S8P2. Students will be familiar with the forms and transformations of

energy.a. Explain energy transformation in terms of the Law of Conservation of Energy. b. Explain the relationship between potential and kinetic energy. c. Compare and contrast the different forms of energy (heat, light, electricity, mechanical motion, sound) and their characteristics. d. Describe how heat can be transferred through matter by the collisions of atoms (conduction) or through space (radiation). In a liquid or gas, currents will facilitate the transfer of heat (convection).

S8P1. Students will examine the scientific view of the nature of matter in the universe.

a. Distinguish between atoms and molecules. b. Describe the difference between pure substances (elements and compounds) and mixtures. c. Describe the movement of particles in solids, liquids, gases, and plasmas states. d. Distinguish between physical and chemical properties of matter as physical (i.e., density, melting point, boiling point) or chemical (i.e., reactivity, combustibility). e. Distinguish between changes in matter as physical (i.e., physical change) or chemical (development of a gas, formation of precipitate, and change in color). f. Recognize that there are more than 100 elements and some have similar properties as shown on the Periodic Table of Elements. g. Identify and demonstrate the Law of Conservation of Matter.

S8P3. Students will investigate the relationship between force, mass,

and the motion of objects.

• a. Determine the relationship between

velocity and acceleration. • b. Demonstrate the effect of balanced and

unbalanced forces on an object in terms of

gravity, inertia, and friction. • c. Demonstrate the effect of simple machines

(lever, inclined plane, pulley, wedge, screw,

and wheel and axle) on work.

S8P5. Students will recognize the characteristics of gravity,

electricity, and magnetism as major kinds of forces acting in nature.

• a. Recognize that every object exerts gravitational force on

every other object and that the force exerted depends on

how much mass the objects have and how far apart they are. • b. Demonstrate the advantages and disadvantages of series

and parallel circuits and how they transfer energy. • c. Investigate and explain that electric currents and magnets

can exert force on each other.

Closing 02/27

Test Reflection Question:

Congratulations!!!!! You just completed the Cobb County Benchmark Test. Take a deep breath and think about which questions you knew and which ones made you guess. Write down which topics gave you trouble. Was it matter? Energy? Force? Motion? Electricity? Or something else?

Warm Up 02/28 Practice CRCT Question

Use the diagram on the left in order to fill in the white spaces on the table to the right with either “on” or “off”

Switches On Lamp 1 Lamp 2 Lamp 3 Lamp 4

A

B

C

ALL ON

Closing 02/28

Practice CRCT Question:

What direction does a compass needle point on Earth? a. geographic south pole but also

magnetic north poleb. geographic north pole but also

magnetic south pole.c. neither answer is correct.

Warm Up 03/01 Practice CRCT Question

Use the diagram on the left in order to fill in the white spaces on the table to the right with either “on” or “off”

Switches On Lamp 1 Lamp 2 Lamp 3 Lamp 4

A & C

A & B

B & C

None on

Closing 03/01

Practice CRCT Question:

Electromagnets are made very often in the following shape…a. cylinder shapedb. bar shapedc. solenoidd. horseshoe (or “U” shaped)