Movement of the Earth
The ______ causes seasons.
A. rotation of Earth
B. revolution of Earth
C. time zone
B. revolution of Earth
The moon travels around _____.
A. the Earth
B. the satellite
C. itself
A. the Earth
"It does not give off light, and it revolves around a star". What type of celestial body is it?
A planet
The nervous system is our body's _______ centre.
A. repair
B. storage
C. control
C. control
A. stores urine
B. removes waste from the blood
C. removes urines from the body
A. stores urine
When it is winter time, that means the region is receiving _________ sunlight.
A. slanted
B. overhead
C. direct
A. slanted
A. full
B. new
C. gibbous
B. new
Jupiter / Saturn / Uranus / Neptune
Which of the following is an involuntary activity?
A. coughing
B. drawing a picture
C. memorizing a formular
A. coughing
Which of the following is NOT true about water?
A. It helps remove waste from the body through urination.
B. The water content in the blood accounts for 70%-80%
C. It helps avoid the formation of kidney stones.
B. The water content in the blood accounts for 70%-80%
The Earth is divided into _______ time zones. The neighboring time zones are usually _____ ahead or behind.
24, 1
Which of the following is NOT TRUE about the craters on the surface of the Moon?
A. The brighter parts are highlands and valleys.
B. The craters remain because there are constant plate tectonics.
C. They are formed when meteors hit the surface of the Moon.
B. The craters remain because there are constant plate tectonics.
Celestial bodies that revolve around planets are _____.
satellites
When the ice cream touches the roof of your mouth, the ________ will send a message to your brain telling it that the area is cold.
A. nerves
B. brain
c. spinal cord
A. nerves
State a way to protect the urinary system.
e.g. urinate when you need to/ drink enough water / avoid food that is high in salt
When the moon blocks the light of the sun and a shadow of the moon is cast on the Earth, it causes _______.
A. day and night
B. lunar eclipse
C. solar eclipse
C. solar eclipse
Because the sunlight is much stronger than moonlight.
_______________ make up the Solar System.
The Sun, the eight planets and their satellites
Which of the following is correct about reflex action?
A. It is under the control of the spinal cord
B. The brain tells muscles what to do.
C. It is a voluntary action.
A. It is under the control of the spinal cord
State one way our body loses water.
e.g.
breathing/ sweating / urinating
Which of the following is NOT TRUE about time zones?
A. GMT is the basis for the global system of time zones.
B. China covers several time zones on the map.
C. Each time zone is 12 degree wide.
C. Each time zone is 12 degree wide.
State a difference between the rotation of the Earth and the Moon.
e.g.
the Earth takes about 24 hours to complete one rotation while the Moon takes about 27 days
Name a planet and state two of its characteristics.
e.g. Mercury. It is the smallest planet and the closest to the Sun.
Name one habit that negatively affects the nervous system.
e.g.
smoking/ taking drugs / drinking alcohol / carrying heavy school bag.
Name the four main parts of the urinary system.