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OpenStem
@openstem · Joined Jul 2026
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Quiz5 questions
What is inside an egg that feeds the growing chick?
AShellBYolkCFeatherDBeak
Biology · L1 · From Egg to Chick Quiz
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Biology · L1 · From Egg to Chick QuizQuiz5 questions
Why does a polar bear have thick fur?
ATo help it swim fasterBTo keep it warm in cold weatherCTo help it climb treesDTo make it heavier
Biology · L1 · Animal Coverings Quiz
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Biology · L1 · Animal Coverings QuizQuiz5 questions
What body part helps a bird fly?
AFinsBWingsCLegsDTail only
Biology · L1 · How Animals Move Quiz
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Biology · L1 · How Animals Move QuizQuiz5 questions
What do we call an animal that is awake during the day?
ANocturnalBDiurnalCAquaticDHibernating
Biology · L1 · Day and Night Animals Quiz
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Biology · L1 · Day and Night Animals QuizQuiz5 questions
What shape are teeth that grind up plants?
ASharp and pointyBFlat and wideCLong and thinDCurved and hollow
Biology · L1 · Animal Teeth Quiz
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Biology · L1 · Animal Teeth QuizQuiz5 questions
What are the three main parts of a seed?
ASeed coat, embryo, and stored foodBRoots, stem, and leavesCPetals, pollen, and nectarDWater, air, and soil
Biology · L1 · Inside a Seed and How Seeds Travel Quiz
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Biology · L1 · Inside a Seed and How Seeds Travel QuizQuiz5 questions
What do all pets and farm animals need to stay healthy?
AFood and water onlyBFood, water, shelter, and kind careCJust a warm homeDToys only
Biology · L1 · Caring for Pets and Farm Animals Quiz
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Biology · L1 · Caring for Pets and Farm Animals QuizQuiz5 questions
Which insect is known for flying a very long distance to escape winter?
AThe ladybugBThe monarch butterflyCThe earthwormDThe garden ant
Biology · L1 · Insects in Winter Quiz
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Biology · L1 · Insects in Winter QuizQuiz5 questions
Which animal group is usually born alive instead of hatching from an egg?
ABirdsBFishCMammalsDReptiles
Biology · L1 · Born Alive or Hatched From an Egg? Quiz
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Biology · L1 · Born Alive or Hatched From an Egg? QuizQuiz5 questions
Which bird has a hooked beak for tearing meat?
ADuckBHawkCHummingbirdDSparrow
Biology · L1 · Bird Beaks and Feet Quiz
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Biology · L1 · Bird Beaks and Feet QuizQuiz5 questions
Which animal changes its skin color to match its surroundings?
AZebraBChameleonCGiraffeDButterfly
Biology · L1 · Animal Camouflage Quiz
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Biology · L1 · Animal Camouflage QuizQuiz5 questions
What do we call the first set of teeth that children get?
AAdult teethBBaby teethCWisdom teethDMolars only
Biology · L1 · Baby Teeth and Adult Teeth Quiz
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Biology · L1 · Baby Teeth and Adult Teeth QuizQuiz5 questions
What do bees and butterflies get from flowers?
ANectar to eatBWater to swim inCA place to sleep all winterDNothing at all
Biology · L1 · Bees, Butterflies, and Flowers Quiz
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Biology · L1 · Bees, Butterflies, and Flowers QuizQuiz5 questions
How do mammal mothers usually feed their babies?
AMilk from their own bodyBFood they bring up from their stomachCThey do not feed them at allDInsects they catch and drop nearby
Biology · L1 · How Animal Parents Care for Their Young Quiz
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Biology · L1 · How Animal Parents Care for Their Young QuizQuiz5 questions
Are whales and dolphins fish or mammals?
AFishBMammalsCAmphibiansDReptiles
Biology · L1 · Why Whales Must Surface to Breathe Quiz
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Biology · L1 · Why Whales Must Surface to Breathe QuizQuiz5 questions
What do we call the home a bird builds from twigs and grass?
ABurrowBNestCHiveDWeb
Biology · L1 · Animal Homes Quiz
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Biology · L1 · Animal Homes QuizQuiz5 questions
What is a runner?
AA stem that grows out sideways and can root into a new plantBA seed that flies in the windCA flower that makes pollenDA root that grows straight down
Biology · L1 · How New Plants Grow Without Seeds Quiz
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Biology · L1 · How New Plants Grow Without Seeds QuizQuiz5 questions
Which animal makes a roaring sound?
ACowBLionCOwlDBee
Biology · L1 · Animal Sounds in Nature Quiz
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Biology · L1 · Animal Sounds in Nature QuizQuiz5 questions
What is an annual plant?
AA plant that lives for many yearsBA plant that grows, flowers, and dies in one growing seasonCA plant that only grows in winterDA plant that never makes seeds
Biology · L1 · How Long Do Plants Live? Quiz
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Biology · L1 · How Long Do Plants Live? QuizQuiz5 questions
What plant part is a carrot?
ALeafBRootCFruitDSeed
Biology · L1 · Plant Parts We Eat Quiz
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Biology · L1 · Plant Parts We Eat QuizQuiz5 questions
What does it mean if an animal is "warm-blooded"?
AIts body temperature changes with the weatherBIt makes its own body heat and stays about the same temperatureCIt only lives in warm placesDIt has red blood
Biology · L1 · Warm-Blooded and Cold-Blooded Animals Quiz
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Biology · L1 · Warm-Blooded and Cold-Blooded Animals QuizQuiz5 questions
What is a group of wolves called?
AA herdBA packCA schoolDA flock
Biology · L1 · Animal Groups: Herds, Flocks, Packs, and Schools Quiz
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Biology · L1 · Animal Groups: Herds, Flocks, Packs, and Schools QuizQuiz5 questions
Why do plants need light?
ATo stay coolBTo make their own foodCTo make noiseDTo grow roots underground
Biology · L1 · Plants Grow Toward the Light Quiz
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Biology · L1 · Plants Grow Toward the Light QuizQuiz5 questions
Who is the only ant in a colony that lays eggs?
AQueen antBSoldier antCForager antDBuilder ant
Biology · L1 · How Ants Work Together Quiz
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Biology · L1 · How Ants Work Together QuizQuiz3 questions
What is the control centre of a cell?
ACell membraneBNucleusCChloroplastDCytoplasm
Biology · L2 · Cell Basics
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Biology · L2 · Cell BasicsQuiz3 questions
What is the original source of energy for almost all food chains?
ASoilBWaterCThe SunDWind
Biology · L2 · Energy in Ecosystems
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Biology · L2 · Energy in EcosystemsQuiz5 questions
Which organelle stores the cell's DNA and directs its activities?
AMitochondrionBNucleusCCell membraneDCytoplasm
Biology · L2 · Cell Structure and Organelles Quiz
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Biology · L2 · Cell Structure and Organelles QuizQuiz5 questions
Which digestive organ comes right after the esophagus?
AStomachBSmall intestineCLarge intestineDLiver
Biology · L2 · The Digestive System
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Biology · L2 · The Digestive SystemQuiz5 questions
How many chambers does the human heart have?
ATwoBThreeCFourDSix
Biology · L2 · The Circulatory System
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Biology · L2 · The Circulatory SystemQuiz5 questions
Which organ warms, moistens, and filters the air you breathe in?
AThe lungsBThe noseCThe diaphragmDThe trachea
Biology · L2 · The Respiratory System
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Biology · L2 · The Respiratory System