2.
Complete the word equation for photosynthesis.
carbon dioxide + ........................ → glucose + .........................
5.
Complete the explanation using these words below
area force pressure
People who walk across snow may wear snowshoes.
The person does not sink into the snow because the ................................ acts on
a larger .......................................... so that the ....................................... is less.
7.
Rocks in the Earth’s crust are classified by the way that they are formed.
Complete the sentences about rock formation.
Choose words from the list.
igneous metamorphic sedimentary
...........................rocks are made from grains of rock that are cemented
(stuck) together.
9.
Some metal railings have started to rust.
All BUT ONE are ways to prevent railings from rusting?
10.
Rocks in the Earth’s crust are classified by the way that they are formed.
Complete the sentences about rock formation.
Choose words from the list.
igneous metamorphic sedimentary
...........................rocks are found in layers and often contain fossils.
28.
Rocks in the Earth’s crust are classified by the way that they are formed.
Complete the sentences about rock formation.
Choose words from the list.
igneous metamorphic sedimentary
...........................rocks are made when heat and pressure change other
types of rock.
32.
Poor diets can cause health problems.
Choose phrases from the list
Heart disease Tooth decay High blood pressure Little energy Poor growth
Too little protein causes which health problem?
37.
Poor diets can cause health problems.
Choose phrases from the list
Heart disease Tooth decay High blood pressure Little energy Poor growth
Too much salt causes which health problem?
43.
Here are some statements about the solar system.
A. The Earth orbits the Sun.
B. The Earth spins on its axis.
C. The Moon orbits the Earth.
D. The stars orbit the Sun.
E. The Sun orbits the Earth.
Venus is not a source of light.
Why do you think it is possible to see Venus in the night sky.