1. Which of the following best describe conductor?
A. A conductor is a material that permits heat and electricity to flow through it.
B. A conductor is a material that does not permit heat and electricity to flow
through it.
C. A conductor is a material that transmits light to pass through it.
D. A conductor is a material that absorbs light.
2. Which of the following materials is a conductor?
A. pencil
B. coin
C. plastic cup D. rubber band
3. What do you call the materials that do not allow electricity to flow through them?
A. Conductors B. Insulators C. Reflectors D. Transmitters
4. Which of the following is an insulator?
A. tissue
C. thumbtacks D. scissors
5. Metal spoons and safety pins are conductors. What does this prove?
A. This proves that objects that are made of metal are good conductors,
B. This proves that objects that are made of plastic are good conductors.
C. This proves that objects that are made of glass are good conductors.
D. This proves that objects that are made of rubber are good conductors.
6.Which group composed of insulators only?
A. aluminum foil, nail, rubber
C. glass, plastic, rubber
B. coin, paper, silver spoon
D. pencil, glass, pins
7. What affects the conductivity of materials?
A. The conductivity of a material depends on the colors of the material.
B. The conductivity of a material depends on the number of the material
C. The conductivity of a material depends on the transmission of light to the
material.
D. The conductivity of a material depends on the substances the material is
made of.
pahelp po sa kapatid ko po yan grde5 thnks in advance​