Grade8 final revision 3rd term

A planet's year is the time it takes to rotate on its axis?

• True

• False

A contracting cloud of gas and dust with enough mass to form a star, ( first stage of star) is called?

• pulsars

• protostars

• shooting star

How long a star lives depends on its?

• mass

• brightness

• temperature

The type of eclipse that occurs when the moon passes directly between Earth and the sun, blocking the sun’s light is called?

• solar eclipse

• spring tides

• lunar eclipse

It is a spacecraft that carries scientific instruments to collect and transmit data but has no human crew.

• space probes

• capsule

• space shuttle

which unit of measurement is used to measure the distance between objects in the solar system?

• metric unit

• Fahrenheit

• Astronomical unit

Which characteristic do all the inner planets have in common?

• Liquid water

• rocky surface

• thick atmosphere

• Ring system

A scientific field that deals with the study of space is called?

• biology

• Physics

• Astronomy

The four outer planets are farther from the sun, very large, and made mostly of gas and liquid?

• True

• False

The body that orbits a planet is called?

• satellite

• elliptical

• draft