Plants & Animals
What is the green pigment in plants that helps them absorb sunlight to make their own food?
Chlorophyll
What step of the water cycle transforms liquid water into water vapor?
Evaporation
Which machine is a grooved wheel with a rope around it?
Pulley
What is the thinnest layer of the Earth?
The Crust
What star is closest to the Earth?
The Sun
What do we call animals that only eat plants?
Herbivores
What step of the water cycle transforms water vapor into liquid water?
Condensation
If I see a wheelchair ramp, which machine is it?
Inclined Plane
What is the slow wearing away of rock, by sources like wind, water, and ice?
Erosion
Which state of matter has its molecules packed the most tightly together?
Solid
What is the process that allows plants to make their own food? Hint: It means "putting together with light"
Photosynthesis
What is it called when liquid water drops from clouds as rain and snow?
Precipitation
Which simple machine uses a rigid bar and a pivot point?
Lever
What are the giant pieces of Earth's crust that cause earthquakes and mountain formation?
Tectonic Plates
What form of energy is a vibration that travels through solids, liquids, and gases?
Sound
What process occurs when pollen moves from one flower to another to help plants reproduce?
Pollination
What is it called when rainwater collects into bodies of water?
Collection
What simple machine would I use to keep the door open?
A Wedge
What is the innermost layer of the Earth?
The Inner Core
Name three organ systems.
Respiratory, Circulatory, Nervous, Skeletal, Muscular, Digestive, Immune
What process describes changes in a body to fit a location?
Adaptations
Explain the relationship between weather and the water cycle.
Warm Air -> More Evaporation -> More Rain
What is the pivot point of a lever called?
The Fulcrum
What is the only liquid layer of the Earth?
The Outer Core
Describe 2 of Newton's 3 Laws of Motion.
1: Rest stays at rest, motion stays in motion.
2: You can change an object's speed by putting a force on it.
3: Every action has an equal and opposite reaction.