1. What causes an earthquake?
A. Forces above earth
B. Tremendous warping of the crust
C. Intense heat on the surface of the earth
D. Intense movement of liquid materials underneath
2. What occurs when layers of rocks slip along a fault?
A. crack
B. joint
C. eruption
D. earthquake
3. Why does magma rise to the surface and the surrounding rocks around it do not?
A. Magma is hot
B. Magma causes pressure
C. Surrounding rock is lighter or less dense than the magma
D. Magma is lighter or less dense
4. The following are effects of volcanic eruption except
A.lahar flow
B. scattered rocks and debris
C. surrounding areas of volcano covered with ashes
D. toppled down buildings
5. Where are mountains and valleys formed?
A. subduction zone
B. convergent boundary
C. divergent boundary
D. transform fault boundary 6. How do you behave during an earthquake?
A. Keep calm
B. Rush to an overcrowd exit
C. Listen to the radio for the lates
D. Call your mother at home
7. Why must we turn off the electricity during an earthquake?
A. To save electricity
B. To avoid fire
C.To keep calm
D. To darken the place
8. Why do we follow some safety measures during an earthquake?
A. To maintain consciousness
B. To protect our environment
C.To avoid accidents
D.To protect our neighbor​