(2026/2027) | Complete Revision
Guide | A+ Verified
• Which of these reduce friction?
A. Car breaks
B. Tire thread
C. Ball bearings
D. Sandpaper -✓✓Ball bearings
• If you place bean seed between moist paper towels and watch the stem and
leaves appear, you will see a demonstration of
A. Transpiration
B. Germination
C. Fertilization
D. Pollination -✓✓Germination
• Any astronomical body that revolves around a large body is called -✓✓A
satellite
• In chemistry, to be classified as an organic substance, a substance must contain
-✓✓Carbon atoms
• Which element does Not contain any neutrons -✓✓Hydrogen
,• What is the symbol for the hydroxyl ion -✓✓OH-
• perpetual motion machine can never be built because it is not possible to
eliminate -✓✓elasticity
• The chemical formula of a compound describes the elements the compound
contains and the -✓✓the ratio of elements in a compound
• When scientist measure liquids resistance to flow, they are measuring the
liquids -✓✓viscosity
• The tympanic membrane's are also known as the -✓✓Ear drums
• When sodium atoms form sodium ions they: -✓✓lose electrons
• Chocking is prevented by then -✓✓Esophagus covering the voice box
• Which of the following actions produce a chemical change?
A. Boiling water
B. Burning the rice
C. Adding salt to the water
D. Melting butter on cooked rice -✓✓Burning the rice
• Which of the following is a nonrenewable resource
A. Wood
, B. Water
C. Copper
D. Biomass -✓✓Copper
• What do a hydrogen molecule and and an oxygen molecule have in common -
✓✓the charge on each electron
• Arithmetic reasoning -✓✓
• A student bought a sandwich for 80 cents , milk for 20 cents, and pie for 30
cents. How much does the Meal cost? -✓✓1.30
• A radar is designed to report the track of an aircraft every second. If this radar
reports 30 tracks in one minute, what percentage of the time did the raider track
in the aircraft? -✓✓50 %
• A certain bag of potting soil is 1/4 Peat Moss, and the rest is dirt what part is dirt
? -✓✓******** 3/4 or 75 percent
• An airplane is at 32,000 feet above sea level and descends at an average rate of
1,000 feet per minute. How many minutes will it take for the airplane to land at
an airport 3,000 feet above sea level? -✓✓29
• A sweater originally priced at $80 and was marked down by 25%. What was the
sale price of the sweater? -✓✓$60