Earth & Space Science
Which planet is closest to the Sun?
Mercury
What part of a plant absorbs water and nutrients from the soil?
The roots
What state of matter has a fixed shape and a fixed volume?
Solid
What instrument do meteorologists use to measure air temperature?
Thermometer
Which organ acts like the control center for your entire body?
The brain
How long does it take for Earth to orbit the Sun one time?
One year (365 days)
Which of these animals goes through complete metamorphosis during its life cycle?
Butterfly
What force pulls objects down toward the center of the Earth?
Gravity
What is it called when water falls from clouds to the ground as rain, snow, sleet, or hail?
Precipitation
What is the hard framework of bones that protects your organs and supports your body called?
The skeleton
What is the Sun made of?
Hot glowing gases
What do we call an animal that eats only plants?
Herbivore
What happens to water when it evaporates?
It changes from a liquid to a gas
Which type of fluffy, white cloud looks like cotton balls and usually means good weather?
Cumulus cloud
Which organs expand and fill with air when you take a breath
The lungs
Why does the Moon appear bright in the night sky?
It reflects light from the Sun
What green pigment do plants use to trap sunlight for making food?
Chlorophyll
Which material is the best conductor of electricity?
Copper wire
What is the pattern of weather in a specific place over a long period of time called?
Climate
What muscular organ pumps blood throughout your entire body?
The heart
Which instrument do scientists use to look at distant planets and stars?
Telescope
What is an animal called that does not have a backbone?
Invertebrate
What force opposes motion when two surfaces rub against each other?
Friction
What dangerous, spinning column of air stretches from a thunderstorm cloud all the way to the ground?
Tornado
Which body system breaks down the food you eat so your body can use the energy?
The digestive system