Animals can be vertebrates or invertebrates. Name 3 groups of invertebrates.
worms, arthropods, echinoderms and molluscs
In an ecosystem, all living things need food. Plants make their own food and they are called.
carnivores
herbivores
consumers
producers
Non-living and living things interact in an ecosystem. Sunlight, wind, water and oxygen are ________.
biotic factors
abiotic factors
This landform is a long narrow piece of land that extends into the ocean. Italy is an example of this.
island
peninsula
archipelago
valley
The surface of the Earth is made of rock. What are the 3 main types of rocks?
igneous, sedimentary and metamorphic
High tempearture or a lot of pressure can make one type of rock to another type. Marble is an example of this type of rock.
sedimentary
igneous
metamorphic
Heat is a form of energy. What are the 2 sources of heat?
natural and artificial (man-made)
We measure temperature with a thermometer. We can measure temperature is degrees Fahrenheit or degrees Celsius. Name a country that uses deegres Fahrenheit.
United States of America
Heat changes the states of matter. What are three states of matter?
solid, liquid and gas
Heat can change liquid into gas. For example, when we boil water it becomes water vapour. What is the process called?
evaporation
Some materials get hot easily, others don´t get hot easily. What do you call materials that get hot easily?
thermal insulators
thermal conductors
The most important heat energy comes from the _______. It keeps animals and plants warm.
sun
It is a device that makes it easier for us to do work.
machine
Machines can be simple or complex. Name at least 3 examples of simple machines.
wheel and axel, lever, wedge, pulley, inclined plane, screw
What is an inclined plane?
An inclined plane is a surface that connects a higher point to a lower point.
Which simple machine helps us lift heavy objects?
pulley
