Space
Life Science
Light and Sound
Matter
Physics
100
This is the hottest planet.
What is Venus?
100
The study of living things is called _______.
What is biology?
100
On Earth, this is our main source of natural light.
What is the sun?
100
Anything that has mass and volume.
(Weighs something and takes up space)
What is matter?
100
An invisible force that pulls objects toward each other. On earth, it is what makes things fall, and pulls things downward.
What is gravity?
200
This is the smallest planet.
What is Mercury?
200
A acorn is the seed for an _____ tree.
What is oak?
200
This is the return of light waves from a surface. It is what we see when we look in a mirror.
What is reflection?
200
These are the basic building blocks for all matter in the Universe. These tiny particles make up everything.
What are atoms?
200
A _________ is a push or a pull.
What is a force?
300
This happens when the earth rotates on its axis one time.
What is a day, or what is day and night?
300
Plants need these three things to grow.
What are light, water, and air?
300
Sound is ______that travel through the air or another medium and can be heard when they reach a person's or animal's ear.
What are vibrations?
300
__________ is how much matter something has in a certain amount of space (volume). If two objects are the same size, the one that is more dense will weigh more.
What is density?
300
When an object has more speed, it also has more __________.
What is energy?
400
How long it takes the earth to revolve around the sun?
What is one year (365 days)?
400
This system carries blood toward and away from the heart.
What is the circulatory system?
400
Light cannot pass through these materials. We cannot see through them. They are not transparent, they are what?
What is opaque?
400
Buoyancy is the ability of objects to float in water or in air. Objects that are more dense will be ______ buoyant.
What is less?
400
Which object would conduct more heat?
A. plastic
B. metal
C. wood
What is metal?
500
The earth is tilted on its axis as it orbits the Sun. This is why we have these.
What are seasons?
500
These cells are in your brain and spinal cord. They carry electrical messages around your body. They are part of the nervous system.
What are neurons?
500
Smaller objects have a higher sound when you tap them and larger objects have a deeper sound when you hit them. The highness or lowness of a sound is called this.
What is pitch?
500
When you freeze water, it ________. (Prompting for more answers is allowed.)
What is expands?
500
At what temperature celsius does water go from liquid to solid?
What is 0 degrees?