REVIEW - units 5, 6, 7 and 8

This is the third planet from the Sun.

• Earth

• Mars

• Neptune

• Mercury

These lines go horizontally around the Earth. We use these lines to measure distance from the Equator.

• North Pole

• longitude

• latitude

• Earth

This is what happens when the moon passes between the Earth and the Sun.

• Climate on Earth

• The Earth's year

• Phases of the moon

• Solar Eclipse

Food contains this type of energy.

• Chemical energy

• Kinetic energy

• Electical energy

• Sound energy

This type of energy will run out.

• Wind energy

• Thermal energy

• Non-renweable energy sources

• Renewable energy sources

This machine is a circular object that turns around an axle. We use it to lift or move objects.

• inclined plane

• pulley

• wheel

• wedge

This machine is a rigid bar with a support called a fulcrum. We use it to lift or move objects.

• lever

• screw

• wheel

• inclined plane

This is a complex machine that allows us to make mass-produced products.

• Calculator

• Robots

• Washing Machine

• Bike

A new substance is produced when this type of change happens.

• state change

• shape change

• chemical change

• physical change

In this type of mixture it’s easy to see the different substances.

• heterogeneous mixture

• homogeneous mixture

• mayonnaise

• tomato ketchup