🌌 Astronomy
What is the primary reason the Moon appears to change shape throughout the month?
A) Earth's rotation
B) The Moon's rotation
C) The Moon's phases caused by its position relative to Earth and the Sun
D) Clouds blocking the Moon
C) The Moon's phases caused by its position relative to Earth and the Sun
What is a fossil?
A) A current animal
B) A weather pattern
C) Preserved remains or traces of ancient organisms
D) A rock made of crystals
C) Preserved remains or traces of ancient organisms
What is inherited from both parents and determines traits?
A) Water
B) Hormones
C) Genes
D) Muscles
C) Genes
In an ecosystem, what role does a consumer play?
A) Produces food
B) Breaks down matter
C) Eats other organisms
D) Absorbs sunlight
C) Eats other organisms
Which of the following is the smallest unit of an element that still has its properties?
A) Molecule
B) Atom
C) Compound
D) Electron
B) Atom
200: Which two objects in the solar system have a gravitational pull on Earth?
A) Jupiter and Mars
B) The Sun and the Moon
C) Saturn and Venus
D) Mercury and Pluto
B) The Sun and the Moon
What is one piece of evidence for evolution?
A) Similar DNA among species
B) Different eye colors
C) Types of clouds
D) Phases of the Moon
A) Similar DNA among species
What structure inside the nucleus contains genetic information?
A) Ribosome
B) Mitochondria
C) Chromosome
D) Vacuole
C) Chromosome
Which human activity is most responsible for global climate change?
A) Planting trees
B) Driving electric cars
C) Burning fossil fuels
D) Recycling plastics
C) Burning fossil fuels
Which of Newton’s Laws states that an object in motion stays in motion unless acted on by an outside force?
A) Newton’s First Law
B) Newton’s Second Law
C) Newton’s Third Law
D) Law of Gravity
A) Newton’s First Law
200: Which phase occurs when the moon is completely lit?
A) New Moon
B) Full Moon
C) First Quarter
D) Waning Crescent
B) Full Moon
Which adaptation helps desert animals survive?
A) Thick fur
B) Hibernation
C) Storing water in their bodies
D) Gills for breathing underwater
C) Storing water in their bodies
A dominant trait will:
A) Only appear if both parents pass it on
B) Appear when at least one dominant gene is present
C) Never be expressed
D) Be less common than a recessive trait
B) Appear when at least one dominant gene is present
What is biodiversity?
A) The variety of landforms in an area
B) The number of food chains in an ecosystem
C) The variety of living things in an ecosystem
D) The number of plants in a rainforest
C) The variety of living things in an ecosystem ✅
What type of energy is stored in the bonds of molecules and released in chemical reactions?
A) Thermal energy
B) Mechanical energy
C) Chemical energy
D) Kinetic energy
C) Chemical energy
400: Which event occurs because the Moon casts a shadow on Earth?
A) High tide
B) Lunar eclipse
C) Solar eclipse
D) New Moon
C) Solar eclipse
What is natural selection?
A) Breeding plants by hand
B) Random mating
C) Survival and reproduction of organisms best suited to the environment
D) Extinction of all species
C) Survival and reproduction of organisms best suited to the environment
What is the purpose of a Punnett square?
A) Track energy in a food chain
B) Show planet orbits
C) Identify cell parts
D) Predict possible traits in offspring
D) Predict possible traits in offspring
How does energy move through an ecosystem?
A) From consumer to producer
B) From decomposer to consumer
C) From producer to consumer
D) From scavenger to plant
C) From producer to consumer
Which of the following best describes a chemical change?
A) Water freezing into ice
B) Iron rusting in air
C) Ice melting into water
D) Breaking glass into pieces
B) Iron rusting in air
Which of the following correctly explains why we always see the same side of the Moon from Earth?
A) The Moon's rotation period matches its orbit around Earth
B) The Moon spins faster than it orbits Earth
C) The Moon doesn’t rotate on its axis
D) Earth's gravity pulls the Moon's surface toward it
A) The Moon's rotation period matches its orbit around Earth
Over time, favorable traits become more common in a population due to:
A) Migration
B) Mutation
C) Natural selection
D) Artificial intelligence
C) Natural selection
A plant with two different alleles for height (Tt) is considered:
A) Homozygous dominant
B) Homozygous recessive
C) Heterozygous
D) Genetically identical
C) Heterozygous
What would most likely happen if a predator is removed from a food web?
A) Prey populations decrease
B) Balance of the ecosystem remains unchanged
C) Prey populations increase significantly
D) Producers go extinct
C) Prey populations increase significantly
A ball is rolling on the ground and eventually comes to a stop. Which force caused the ball to stop?
A) Gravity
B) Magnetism
C) Friction
D) Acceleration
C) Friction