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