APSA Review (Science 3)

• The three states of matter are solid, liquid, and gas.
• Mars is known as the "Red Planet."
• The Sun is the main source of energy on Earth.
• Roots absorb water from the soil in plants.
• A thermometer measures temperature.
• Eyes help people see.
• An insect has six legs.
• Humans need to breathe in oxygen.
• The heart pumps blood throughout the body.
• Jupiter is the largest planet in the solar system.
• Herbivores are animals that eat only plants.
• Water is a liquid.
• Gravity is the force that pulls objects to the ground.
• Leaves are the part of the plant that makes food.
• The skull helps protect the brain.

Comprehension

• Birds have feathers to keep warm and to fly.
• Ice melts when heated.
• People need to drink clean water to avoid diseases.
• The main function of the lungs is to help us breathe.
• Planting more trees helps make oxygen and clean the air.
• A bouncing ball stops bouncing when you stop applying force.
• Animals need food to give them energy.
• Metal feels colder than wood because it conducts heat faster.
• You see lightning before you hear thunder because light travels faster than sound.
• People need to brush their teeth regularly to make them stronger.

Application

• A towel is best to use for cleaning spilled juice.
• To plant a flower, use a pot with soil and water.
• Skin helps cool down the body by sweating when feeling hot.
• To change water into ice, put it in a freezer.
• To measure how hot a drink is, use a thermometer.
• To measure the weight of a watermelon, use a weighing scale.
• To protect from the rain, use an umbrella.
• If you see smoke coming from a room, run outside and call for help.
• If you find trash in the park, throw it properly in the trash bin.
• If your plants are wilting, give them water.

Higher Order Thinking

• Rock, book, and table are all solid materials.
• A wooden stick will float on water.
• Clean air and lots of trees show a healthy environment.
• A goat, cow, and horse are all herbivores.
• If there are no bees, plants may not make seeds.
• If plants do not get water, they will wilt and die.
• Putting food waste in a compost bin shows proper waste segregation.
• It is safest to use a pedestrian lane and look both ways when crossing the street.
• Humans give off carbon dioxide when they breathe out.
• A magnet attracts an iron nail.
• Water is important for people and animals because it helps the body stay hydrated and function.
• You can show care for the environment by planting trees and throwing trash properly.
• If the Earth gets too much pollution, there will be dirty air and sick people.
• Turning off unused appliances helps conserve energy at home.
• If you cut too many trees, there will be more floods and less oxygen.