3rd Grade
Science riddles
Science riddles
What are ten things you can always count on?
your fingers
What hunts a prey animal?
a predator
What are the 3 phases of matter?
solid, liquid, gas
(choose ALL that apply)
A) Thick fur for snow
B) fish be able to swim
C.) plants that are green
D.) Cheetah spots
A and D
What is a fast change that shakes the Earth?
Earthquake
A slide is which type of simple machine?
Inclined plane
Wedge
Lever
inclined plane
What has a mouth but can't chew?
a river
What does adaptation mean?
a physical or behavioral feature of an animal that helps them better survive in their environment
What is the universal solvent?
water
sugar, kool-aid, salt, food coloring, ect
Give an example of a pull force
tug of war, pulling a wagon up a hill, drawing water from a well, pulling a plug out the wall
closing a door, pushing chair in, rolling a car across the carpet away from you, kicking a soccer ball
which weighs more a ton of bricks or a ton of feathers?
True or False: Lions are producers.
False
Name an abiotic (non-living) example in a forest ecosystem
Name a biotic (living) example in a aquatic (water) ecosystem
Abiotic-rock, air, water, clouds, dirt, ect
Biotic-fish, algae, seaweed, shark, ect
What is a population in an ecosystem?
Members of the same species in the same habitat/ecosystem
Name an 3 aquatic ecosystems.
Ocean, lake, pond, puddle, river, stream, etc.
Why is soil important?
It provides support and nutrients for plants to grow
Give it food and it will live;
give it water and it will die.
What is it?
Fire
What is a decomposer?
organism that eats dead things
Do frogs live in freshwater or saltwater?
Freshwater
Name a natural event that affects the ecosystem
hurricane, tornado, fire, flood or erosion
What energy drives the water cycle?
the sun
What is a prey animal?
An animal that is hunted by other animals
What can be measured, but has no length, width, or height?
temperature
How do plants get energy?
Photosynthesis
Water
What is the force that keeps things on the ground?
gravity
Most of the fresh water on earth is found where?
frozen in ice caps
Name a behavioral adaptation and a physical adaptation
Behavioral- birds migrate in the winter, hibernation, or chipmunks collecting food
Physical-webbed feet, sharp claws, thick fur,
Anyone can hold me, even without their hands, yet no one can do it for long. What am I?
Your breath
What is humus in the soil?
dead plant/animal matter in the soil
What is the difference between a mixture and solution?
In a mixture, substances are generally just mixed and are not completely dissolved. In a solution, substances are dissolved completely and they cannot be filtered out.
What are the 4 steps in the water cycle?
Any order
condensation, precipitation, evaporation, and ground water/accumulation
Name 3 out of the 6 simple machines?
lever, inclined plane, wedge, wheel/axle, screw, or pulley
Give an example of a food chain.
Has to be a correct and sensible food chain.