Space
This Red Planet sounds ready for a rusty robot road trip.
What is Mars?
This organ keeps blood pumping during class, even if you are daydreaming.
What is the heart?
A chunk of ice is turning into a puddle. What word describes this change of state?
What is melting?
Molten rock that reaches Earth’s surface gets this new name.
What is Lava?
A superhero jumps off of a roof but has no flying powers. This force pulls the hero down.
What is gravity?
This force keeps you on Earth even when Monday makes you want to float away.
What is gravity?
These organs take in oxygen and release carbon dioxide when you breathe.
What are the lungs?
These bubbles make a freshly opened soda fizzy. Name the gas.
What is carbon dioxide?
This flash of electricity often comes before a thunderstorm’s big boom.
What is lightning?
A hero can move only on perfectly slippery floors. When they are on carpet, they are unable to move due to this force.
What is friction?
This giant is the largest planet in our solar system.
What is Jupiter?
A grumbling stomach is not a second brain. This organ inside your skull processes information and helps control your body.
What is the brain?
You can no longer see the sugar stirred into water because it has done this.
What is dissolved or dissolving?
A rainbow appears when sunlight interacts with these tiny liquid objects in the air.
What are water droplets or raindrops?
Camoflage allows organisms to blend into their __________.
What is environment?
Mercury is closest to the Sun, but this planet has the hottest surface.
What is Venus?
These structures connect muscles to bones so you can throw, jump, or dramatically raise your hand.
What are tendons?
When yeast makes bread dough rise, it releases this gas that forms bubbles in the dough.
What is carbon dioxide?
Water gets into a rock crack, freezes, expands, and breaks the rock. This breaking down of rock is called?
What is weathering?
A hero’s straw seems bent in a glass of water because light changes direction. Name this effect.
What is refraction?
Forget a birthday candle: this process of joining atomic nuclei powers the Sun.
What is nuclear fusion?
After a race, sweat changes from liquid to gas and helps cool you. What is the name for this change of state?
What is evaporation?
A popcorn kernel contains a little water. When heated, the water forms this gas, building pressure until the kernel pops.
What is water vapor or steam?
Earth’s outer shell is divided into these moving pieces whose boundaries can lead to earthquakes and volcanoes.
What are tectonic plates?
In space no one can hear you scream, this is because sound cannot travel through this.
What is a vacuum?