Engineering/Technology
What simple machine uses a wheel and rope to lift or move objects?
Pulley
What are the three main layers of Earth?
Crust, mantle, and core
What animal group do frogs belong to?
Amphibians
What happens to light when it bounces off a surface?
Reflection
What vehicle carries astronauts into space?
A rocket
What device converts sunlight into electricity?
Solar panel
What type of rock forms when magma or lava cools and hardens?
Igneous rock
What do we call animals that only eat meat?
Carnivores
What property of matter describes how much space an object takes up?
Volume
What planet is famous for its large ring system?
Saturn
What renewable energy source uses moving air to produce electricity?
Wind energy
What are 3 types of rocks?
igneous, sedimentary, and metamorphic rock
What part of a plant transports water from the roots to the leaves?
The stem
What force opposes motion when objects slide past each other?
Friction
What tool do astronomers use to observe distant objects in space?
A telescope
What is renewable energy?
Energy from sources that can be replaced naturally, like solar, wind, or water
What scale is used to measure the strength of earthquakes?
The Richter Scale
What type of organism breaks down dead plants and animals?
Decomposers
What simple machine is a ramp an example of?
Inclined plane
What causes day and night on Earth?
Earth rotating on its axis
What is usually the first step in the engineering design process?
Identify or define the problem
What is the wearing away of rocks and soil by wind, water, or ice called?
Erosion
What body system helps the body take in oxygen and release carbon dioxide?
The respiratory system
What energy transformation happens when you plug in and turn on a flashlight?
Chemical energy turns to electrical energy turn to light energy
What layer protects Earth from harmful radiation from the Sun?
The ozone layer