A) warmed B) cooled C) moistened D) dried
A) convection B) conduction C) displacement D) radiation
A) mesosphere B) troposphere C) stratosphere D) thermosphere
A) ozone B) water vapor C) ions D) carbon dioxide
A) pressure and temperature B) temperature and altitude C) pressure and altitude D) density and temperature
A) decreases B) stays the same C) increases D) doubles
A) conduction B) convection C) sublimation D) radiation
A) wind B) sun C) fossil fuels D) coal
A) not move B) sink C) rise D) freeze
A) electrical energy B) force C) magnetism D) inertia
A) nuclear energy B) chemical energy C) mechanical energy D) Thermal energy
A) A rock sitting on the top of a large hill B) A baseball moving from the pitcher to the catcher C) A pendulum at the top of its swing. D) A new flashlight battery
A) A car battery causes headlights to shine B) A display of fireworks in the night sky. C) A candle burns and lights up a room. D) An avalanche rolls down a steep mountain.
A) rotation B) inertia C) gravity D) revolution
A) 90% B) 50% C) 20% D) 60%
A) The side of the Moon facing Earth is completely reflecting light B) The side of the Moon facing Earth is not reflecting any light. C) A partial shadow of the Earth covers the Moon D) The Moon’s shadow covers Earth
A) Gravity from Moon and gravity from Earth B) Gravity from Sun and gravity from Moon C) Gravity from Sun and gravity from Earth D) Gravity from Sun and gravity from Mars
A) Spring tides occur when Sun, Earth, and Moon line up, while neap tides occur when Sun, Earth, and Moon create 90 degree angles B) Neap tides occur when Sun, Earth, and Moon line up, while spring tides occur when Sun, Earth, and Moon create 90 degree angles C) Spring tides occur when Sun and Moon pull on the Earth, while neap tides occur when Sun and Earth pull on the Moon. D) Spring tides occur when Sun, Earth, and Moon are the same size, while neap tides occur when Sun, Earth, and Moon are different sizes.
A) one rotation. B) one season C) one eclipse. D) one year
A) tides B) kinetic energy C) normal D) gravity
A) mass B) inertia. C) gravity. D) orbital speed
A) Gibbon Moon B) Full Moon C) Crescent Moon D) New Moon
A) ductile B) reactive C) malleable D) brittle
A) mass of its nucleus. B) number of neutrons around its core. C) number of neutrons in its nucleus. D) number of protons in its nucleus.
A) its chemical name. B) when it was discovered C) its chemical symbol D) its properties.
A) A negative charge B) A positive charge C) . No charge D) . A positive and a negative charge
A) six neutrons B) an atomic mass equal to 6 C) more protons than electrons D) six electrons
A) 4 in the first, 6 in the second, and 8 in the third B) 2 in the first, 8 in the second, and 8 in the third C) 2 in the first, 4 in the second, and 6 in the third D) 1 in the first, 2 in the second, and 4 in the third
A) Period B) Valence C) Group D) Row
A) They turn blue litmus paper red B) They do not react with metals. C) They taste bitter. D) They turn red litmus paper blue
A) base and a salt. B) salt and water. C) acid and a base D) acid and a metal
A) The pH level of the solution would be between 3 and 11 B) the substances would not mix, and you could still take two different pH readings C) the pH level of the solution would be less than 3 D) the pH level of the solution would be more than 12
A) The total mass of the reactants is greater than the total mass of the products. B) The total mass of the reactants is less than the total mass of the products. C) Matter is not changed. D) Matter is not created or destroyed
A) Endothermic- physical change B) Exothermic- chemical change C) Exothermic- physical change D) Endothermic- chemical change
A) greater than the total mass of the products B) unrelated to the total mass of the products C) exactly equal to the total mass of the products D) less than the total mass of the products.
A) turns red litmus paper blue B) has a pH above 7 and tastes bitter C) has a pH above 7 and tastes sour D) has pH lower than 7 and tastes sour
A) It is a new chemical compound because a physical change took place. B) It is a mixture because each ingredient kept its original properties. C) It is a solution because the ingredients cannot be separated. D) It is a new element because a chemical change took place.
A) Product B) A solute C) Reactant D) Solvent
A) Green Beans B) Cheddar cheese C) Apples D) Ham
A) evaporation B) condensation C) transpiration D) precipitation
A) condensation. B) precipitation. C) dew. D) evaporation. |