What do we use to send satellites into space?
Rockets
What type of fossil are footprints in rock?
Trace fossils
What formula is used to find the circumference of a circle?
2πr
What do we call the corner point of a triangle?
Which object orbits around Earth?
Satellites
What do we call a rock that contains metal?
Ore
What is the distance from the center of a circle to its edge called?
Radius
What is the distance across a circle through its center called?
Which spacecraft can travel to and from space more than once?
Space shuttle
What is an alloy?
A mix of two or more metals
What is a triangle with one angle greater than 90° called?
An obtuse triangle
What 3D shape is this?
Sphere
What subject studies planets, stars, and the Moon?
Astronomy
Igneous rocks form when melted rock _______.
Freezes and cools
Lines that meet at a 90° angle are called what?
Perpendicular
What 3D shape is this?
Why do scientists send space probes into space?
To study the Solar System (space)
What type of rock forms because of heat and pressure?
Metamorphic rocks
What 3D shape is this?
Cylinder
What is a polygon?
A closed shape with straight sides