Ecosystems
Cycles
Energy
Simple Machines
Vocabulary
100

This part of a plant is created to protect and help disperse the plant's seeds.

What is a fruit?

100

This phase of the moon occurs when no moon is visible in the sky. 

What is a new moon?

100

This is the beginning of every food chain, and the beginning of all energy on Earth.

What is the sun?

100

A ramp is one type of this simple machine, used to assist moving heavy objects from one place to another without lifting them.

What is an inclined plane?

100

This is the force that attracts one object to another. It's keeping you on the ground right now.

What is gravity?

200

This is the name for an animal that hunts and eats other animals.

Predator or carnivore.

200

During this part of the water cycle, liquid water turns to water vapor and rises into the atmosphere.

What is evaporation?

200

Fire creates these two types of energy.

What are light and heat?

200

If an object is too heavy to life, you might use this simple machine, made by tying a rope around it and letting that rope rest above your head as you pull on it to lift the object.

What is a pulley?

200

This is the process that changes the shape of land, usually when water or wind strips dirt away from a land formation.

What is erosion?

300

These open up with bright colors and sweet smell to attract pollinating insects to them. When they are pollinated, they will become a fruit.

What are flowers?

300

This is the amount of time that passes during one earth rotation.

What is one day?

300

This type of heat energy is created when objects are rubbed together very quickly.

What is friction?

300

This type of simple machine is similar to a playground see saw. Push down on a board on one side, and the other side will rise.

What is a lever?

300

This is the name for a living thing that breaks down dead organisms.

What is a decomposer?

400

Plants serve this role in a food chain, because they make their own food.

What is a producer?

400

Egg, tadpole and adult are parts of the life cycle of this animal.

What is a frog?

400

This is the type of energy that is created when a person claps their hands.

What is sound?

400
This round simple machine helps to move heavy objects by reducing friction, allowing objects to roll.

What is a wheel?

400

This animal adaption helps a chameleon hide from predators by matching its color to its surroundings

What is camouflage?

500

This is the process where a plant makes its own food using sunlight and carbon dioxide.

What is photosynthesis?

500

The revolution of the moon around the earth causes these changes in the night sky over 28 days.

What are the phases of the moon?

500

This color absorbs light the better that all other colors.

What is black?

500

This triangular simple machine can be used to split objects in two, or to hold an object in place.

What is a wedge?

500

This is the name for the occurrence of water vapor turning into liquid. You see this happen on a cool glass on a warm day.

What is condensation?