Test 5

Which structure allows the plant to absorb water and minerals?

• leaves.

• roots

• stem

How are natural and artificial resources different from each other?

• Natural resources are made by human beings but artificial resources are used by nature.

• Artificial resources are made by human beings but natural resources are made by nature.

• Artificial resources and natural resources are the same.

The living things that can produce their own food are ______.

• animals

• plants

Which of the following is a source of energy?

• book on a shelf

• A sleeping cat

• A moving car

• A pencil

Which device converts electrical energy into light energy?

• Radio

• Light bulb

• Battery

• Blender

A leaf falls from a tree. What causes the leaf to reach the ground?

• magnetism

• friction

• evaporation

• gravitational force

When two objects collide, what can happen to their energy?

• The energy disappears.

• The energy changes form or transfers to another object.

• The energy turns into sound only.

• The energy becomes visible.

The highest point of a wave above the resting line is called the ________________

• crest

• amplitude

• wavelength

• tippy top

What type of energy is used when playing a musical instrument like a piano?

• Electrical energy

• Sound energy

• Light energy

• Motion energy

What is a fossil?

• A type of rock

• Remains of a living organism from the past

• A kind of mineral

• A type of plant