GL Practice 2

Why is grass not growing well under tree B ?

• Tree A is using all of the water

• Tree B has fewer birds in its branches

• Tree B is blocking most of the sunlight.

• Tree B is blocking most of the sunlight.

Plant leaves need minerals . How do minerals get into leaves?

• soil---- root---- flower------- leaf

• soil----- root------- stem------ leaf

• . air----- root------ stem-------- leaf

Which rock can be used to write on a blackboard?

• chalk

• diamond

• marble

• granite

Kristen was listening to a portable radio one afternoon and forgot to turn it off. The next morning the radio would not work. What is the best explanation for why the radio would not work?

• All the radio stations stopped broadcasting.

• The energies stored in the batteries was all used up.

• It was too cold the next morning for the radio to play.

• The radio speaker broke because it was left on for so long

Kim observes that a seed grows better in damp soil than in dry soil. This is because …

• seeds need water to grow.

• seeds grow at different rates

• seeds can grow in different soils

• water is not important for seeds to grow.

Decide if each statement about soils is true or false.

a. soil is made from rocks

b. soil can contain rotten leaves

c. soils are all the same colour.

• Only a is true

• a and b are true

• a and c are true

Which of these functions is correct?

• A root makes food.

• A stem gives support

• A leaf forms seeds

• A flower absorbs water

The picture shows Maria pushing magnet 1 toward magnet 2 , which is lying on a smooth table . What will happen to magnet 2?

• Magnet 2 will be pushed away from magnet 1

• Magnet 2 will be pushed towards magnet 1

• Magnet 2 remains at the same place

There is a thunderstorm near your house. The windows rattle at the same time that you hear the thunder. What causes the windows to rattle?

• Light from the lightning

• Sound waves from the thunder

• Rain from the clouds

• The high humidity during the storm.

What does the can shown in the diagram weigh?

• one and a half pound

• Three and a half pound

• Three and a half kg

• Four and half