Earth and Space
What causes day and night on Earth?
Earth rotating on its axis
What do plants need to make their own food?
Air, water, sunlight
What poles on a magnet CANNOT touch
North and North, South and South
What is renewable energy?
Energy from sources that can be replaced naturally
What is camouflage?
An adaptation that helps organisms blend in
What causes volcanoes to form and earthquakes to happen?
Earth's tectonic plates sliding over each other.
Where in a plant does photosynthesis take place?
In the leaves
What force pulls objects toward Earth?
Gravity
What is a food web?
A model showing how energy moves through organisms
What state of matter has no definite shape or volume?
Gas
What layer of Earth is made of hot, melted rock?
The mantle
What is an adaptation?
A trait that helps an organism survive
What happens when energy is transferred from one object to another?"
The receiving object gains energy
Why do we have different seasons during the year?
Because the Earth is tilted on its axis
What is erosion?
The movement of rock or soil from one place to another
What process changes water vapor into liquid water?
Condensation
What is the role of decomposers in an ecosystem?
To break down dead organisms
What are four types of energy?
Light, Heat, Kinetic, Potential, Solar, Sound
What type of rock forms from cooled lava or magma?
Igneous rock
What happens when the amount of force on an object increases?
The object's motion can change
Why do shadows change size during the day?
Because the Sun appears to move across the sky
How are inherited traits different from learned behaviors?
Inherited traits are passed from parents; learned behaviors are taught or practiced
How does increasing force on an object affect its motion?
It can make an object move faster or farther
What force slows objects down when they rub together?
Friction
How are conductors different from insulators?
Conductors allow energy to pass through; insulators do not