Science revision before Quiz 2nd Term (2023 - 2024) Grade: 3

………………… is a force that pulls objects toward Earth.

• Force

• friction

• Gravity

………………… is push or pull.

• Force

• friction

• Gravity

…………………… energy is the movement of electric charges.

• Mechanical

• Potential

• Electrical

……………. is the ability to do work or cause change.

• Effort

• Energy

• Friction

…………………… is a disturbance that carries energy from one point to another point.

• Force

• Energy

• Wave

………………… is the amount of the pull of gravity on an object.

• Mass

• Weight

• Gravity

Gravitational, elastic, and chemical are types of ……………… energy.

• mechanical

• potential

• sound

……………. is dark area formed when an object blocks the light.

• light energy

• Shadow

• Reflection

.......................is the dotted line the pass through the middle of the wave

• Trough

• Crest

• Mid-point

• Wavelength

the arrow is describing the ...................

• Trough

• Crest

• Mid-point

• Wavelength