First Year Science Summer Keywords

Define asteroid.

• A small rocky body orbting the sun.

• A dusty snowball which orbits the sun.

• A celestial body that is in orbit around a star.

• a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.

Define comet.

• A celestial body that is in orbit around a star.

• A small rocky body orbting the sun.

• A dusty snowball which orbits the sun.

• a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.

Define digestion.

• Put food into the mouth, chewing and swallowing.

• Food being put to use by the body for example growth and repair.

• To break down large food particles into smaller more absorbable molecules.

• The release of energy from food.

Define amylase.

• A substance with a pH greater than 7.

• To break down large food particles into smaller more absorbable molecules.

• A substance that is soluble in water.

• An enzyme that breaks down starch into a sugar called maltose

Define friction.

• A measure of the force of gravity on an object.

• Measures voltage.

• A force that opposes motion.

• Measures current.

Define weight.

• The amount of matter in an object.

• A measure of the force of gravity on an object.

• A force that opposes motion.

• Mass divided by volume.

Define planet.

• A dusty snowball which orbits the sun.

• A small rocky body orbting the sun

• A fixed luminous point in the night sky which is a large, remote incandescent body like the sun.

• A celestial body that is in orbit around a star.

Define system.

• A group of cells working together to carry out the same function.

• A group of organs working together to carry out the same function.

• A group of tissues working together to carry out the same function.

• A group of organisms working together to carry out the same function.

Define assimilation.

• A biological catalyst.

• Food being put to use by the body for example growth and repair.

• Put food into the mouth, chewing and swallowing.

• A substance with a pH greater than 7.

Define enzyme.

• Food being put to use by the body for example growth and repair.

• A biological catalyst.

• Put food into the mouth, chewing and swallowing.

• A substance with a pH greater than 7.