The following list contains different mixtures. a) 3 mg of salt and 2 ml of water b) 7 L of water and 2 ml of oil c) 4 g of sugar and 3 mg of flour d) 6 ml of oil and 1 g of sugar Which mixture only involves solids?
What is (c) 4 g of sugar and 3 mg of flour
An object is placed on the top of a desk. A magnet is slowly moved toward it. The object moves away from the magnet. The object is most likely which of the following? a) a copper penny b) another magnet c) a metal paper clip d) a piece of wood
What is (b) another magnet
Microorganisms found in antibiotics and immunizations a) help the body fight off harmful microorganisms. b) harm the body by fighting off harmful microorganisms. c) harm the body by allowing harmful microorganisms to enter the body. d) help the human body fight off helpful microorganisms.
What is (a) help the body fight off harmful microorganisms.
Which animal groups below do NOT have backbones? a) mammals and arachnids b) insects and birds c) insects and arachnids d) reptiles and fish
What is (c) insects and arachnids.
If a Collie and a German Shepherd became parents of puppies, the puppies would a) look like the poodle b) look like the German Shepherd c) look like a combination of both parents d) Look like neither parent
What is (c) look like a combination of both parents.
If a solid material is heated to a certain temperature, it will become a a) gas b) plasma. c) remains a solid d) liquid.
What is (d) liquid
When a gas is cooled to a certain temperature, it will become a a)solid. b)liquid. c)plasma. d)gas.
What is (b)? liquid
Which type of instrument would be used to observe objects in space from the Earth? a) telescope b) kaleidoscope c) stethoscope d) microscope
What is (a)? telescope
Which characteristic is shard by a goldfish, a parrot, and a snake?
A. They all have feathers. B. They all have a backbone C. They all breathe with lungs. D. They all have a constant body temperature.
What is (B) They all have a backbone.
Which of the following is NOT a conductor of electricity?
A. Iron B. Glass C. Aluminum D. Steel
What is glass.
Which of the following materials is a good conductor of electricity? a) glass b) aluminum c) wood d) rubber
What is (b) aluminum
A magnet being attracted to a refrigerator is an example of static electricity. (True or False)
What is False?
Mrs. Foster has made a compost of dead leaves and decayed food in her backyard. What role do microorganisms play in composting?
They break down organic matter.
Jason planted a garden using fruit seeds only. Which plant could he have planted in his garden? a) potatoes b) cucumbers c) peas d) grapes
What is (d)? grapes
(True or False) Harmful microorganisms can enter the body through the air, uncooked food, and open wounds.
What is true?
Miss Crowder's class was having a Science lab day. Two students decided to mix some of the liquids together secretly without her approval. What is the best reason for telling Miss Crowder about what the students did. a) it could change the result of the experiment b) Teachers can only mix the substances together c) to help someone from becoming injured from the mixtures d) They should not tell the teacher
What is (C) to help someone from becoming injured from the mixtures.
A plant cell has a cell membrane, a cell wall, and cytoplasm. (True or False)
What is True?
Which one is an inherited trait? a) black spots on a dog b) a dog catching a rubber ball c) a man blinking his eyes d) a cat running to the bowl when the cat food bag is opened
What is (a) black spots on a dog
The part of the plant cell that gives it its shape is called
What is the cell wall?
To work, an electromagnet must be a part of a/an
A. battery B. open circuit C. electric crane
D. electrical circuit
What is (D) an electrical circuit.
Which living thing has no internal skeleton? a) cat b) lizard c) cricket d) gold fish
What is (c) a cricket.
Which landform provides evidence that a destructive process changed Earth's surface?
A. delta B. floodplain C. river canyon
D. volcanic island
What is (C) a river canyon.