What is pollination?
a. The process of making food
b. The process through which flowers reproduce
c. The process of watering plants
d. The process of planting seeds
b. The process through which flowers reproduce 0:55
What does a seed need to grow properly?
a. Only water
b. Only sunlight
c. Proper moisture, temperature, and sunlight
d. Only soil
c. Proper moisture, temperature, and sunlight 1:40
What color does chlorophyll make plants?
a. Yellow
b. Blue
c. Green
d. Red
c. Green (2:55)
What is the first stage of digestion?
a. Eating
b. Chewing
c. Swallowing
d. Absorbing
b. Chewing 0:59
What do your lungs need more of when you run?
a. Water
b. Oxygen
c. Food
d. Sleep
b. Oxygen 1:01
What do bees collect from flowers?
a. Leaves
b. Nectar
c. Water
d. Seeds
b Nectar 3:33
What are the three major parts of a seed?
a. Water, soil, and sunlight
b. Seed coat, embryo, and cotyledons
c. Roots, leaves, and flowers
d. Seed coat, stem, and leaves
b. Seed coat, embryo, and cotyledons 1:07
What does the word 'Photo' mean in Greek?
a. Dark
b. Light
c. Food
d. Water
b. Light (1:01)
What helps break down food particles in your mouth?
a. Water
b. Saliva
c. Air
d. Juice
b. Saliva 1:10
What is the diaphragm?
a. A type of lung
b. A muscle that helps you breathe
c. A type of air
d. A kind of food
b. A muscle that helps you breathe 2:50
What is the female reproductive part of a flower called?
a. Anther
b. Filament
c. Stigma
d. Pistil
d. Pistil 2:04
What is the first thing that emerges from the seed?
a. A leaf
b. A flower
c. A root
d. A seedling
c. A root 4:46
What is 'Synthesis' in Greek?
a. Taking apart
b. Putting together
c. Eating
d. Growing
b. Putting together (1:05)
How long does food stay in the stomach?
a. One hour
b. Two hours
c. Four hours
d. Six hours
c. Four hours 1:45
What do the tiny hairs in your nostrils do?
a. Help you hear
b. Obstruct dust particles
c. Taste food
d. Help you see
b. Obstruct dust particles 1:42
What percentage of plant species depend on insects for pollination?
a. 10%
b. 50%
c. 70%
d. 90%
c. 70% 4:34
What happens to the seed coat when the seed absorbs water?
a. It gets harder
b. It stays the same
c. It swells and softens
d. It disappears
c. It swells and softens 3:10
What do plants use to make their food?
a. Soil and rocks
b. Sunlight, water, and carbon dioxide
c. Air and heat
d. Sugar and salt
b. Sunlight, water, and carbon dioxide (1:01)
What does the large intestine absorb?
a. Food
b. Water
c. Air
d. Blood
b. Water 3:01
How many times does a person breathe in one day?
a. About 5,000 times
b. About 10,000 times
c. About 15,000 times
d. About 20,000 times
d. About 20,000 times 3:12
How does fertilization happen?
a. Pollen enters the ovule
b. Seeds fall to the ground
c. Flowers bloom
d. Plants grow taller
a. Pollen enters the ovule 4:22
What does the seed need to search for after it begins to grow?
a. More seeds
b. More sunlight
c. Water and nutrients
d. More soil
c. Water and nutrients 3:50
Why are plants called the 'Lungs of the world'?
a. They breathe air
b. They take in carbon dioxide and give out oxygen
c. They are very tall
d. They grow in water
b. They take in carbon dioxide and give out oxygen (3:03)
What does the large intestine produce to help boost immunity?
a. Enzymes
b. Antibodies
c. Vitamins
d. Carbohydrates
b. Antibodies 3:09
What do the alveoli do?
a. Help you run faster
b. Exchange oxygen and carbon dioxide
c. Make mucus
d. Filter dust
b. Exchange oxygen and carbon dioxide 2:39