Astronomy
What is the sun?
A star
How does a sharks gills help keep it alive?
The gills allow the shark to breathe underwater.
What is a reflection?
Light bouncing off of an object.
What is the purpose of the circulatory system?
To pump blood and carry nutrients.
What is the purpose of a simple machine?
To make work easier.
What is a constellation?
An image that can be seen by connecting stars.
Why are leaves green?
Leaves are full of chlorophyll, a pigment that allows plants to photosynthesize.
How can you make a shadow?
By placing an opaque object in front of a light source.
What is the purpose of the nervous system?
To control your body and sense the environment.
What simple machine is also known as an inclined plane?
A ramp
What causes night and day?
The rotation of the Earth
Why do plants have roots?
To absorb water and nutrients from soil.
All sounds are made of?
Vibrations
What is the purpose of the skeletal system?
To give your body structure and protect certain organs.
The tires on a car are what simple machine?
Wheel and axle
Why does the moon have phases?
Because the Earth's shadow lands on the moon in different ways at different times of the month.
How does a mother kangaroo protect her joey?
By keeping the joey in her pouch.
Can sounds move objects?
Yes.
What is the purpose of the respiratory system?
To bring oxygen into the body.
What simple machine consists of a wheel and a rope?
A pulley
What does an astronomer do?
They are a scientist who studies space.
How do people help animals?
By feeding them, giving them shelter, or protecting their environment. (Answers may vary)
How does a fire truck use light and sound?
To warn people to move out of the way.
What is the purpose of the muscular system?
To move your body.
How does a lever work?
When force is exerted down on one arm, the other arm rises.